diff --git a/lib/spack/spack/bootstrap/config.py b/lib/spack/spack/bootstrap/config.py
index f3aa87c73fc..795accf2411 100644
--- a/lib/spack/spack/bootstrap/config.py
+++ b/lib/spack/spack/bootstrap/config.py
@@ -46,7 +46,7 @@ def root_path() -> str:
     """Root of all the bootstrap related folders"""
     return spack.util.path.canonicalize_path(
         spack.config.get("bootstrap:root", spack.paths.default_user_bootstrap_path),
-        replacements=spack.paths.path_replacements()
+        replacements=spack.paths.path_replacements(),
     )
 
 
@@ -80,14 +80,16 @@ def spack_python_interpreter() -> Generator:
 
 def _store_path() -> str:
     bootstrap_root_path = root_path()
-    return spack.util.path.canonicalize_path(os.path.join(bootstrap_root_path, "store"),
-                                             replacements=spack.paths.path_replacements())
+    return spack.util.path.canonicalize_path(
+        os.path.join(bootstrap_root_path, "store"), replacements=spack.paths.path_replacements()
+    )
 
 
 def _config_path() -> str:
     bootstrap_root_path = root_path()
-    return spack.util.path.canonicalize_path(os.path.join(bootstrap_root_path, "config"),
-                                             replacements=spack.paths.path_replacements())
+    return spack.util.path.canonicalize_path(
+        os.path.join(bootstrap_root_path, "config"), replacements=spack.paths.path_replacements()
+    )
 
 
 @contextlib.contextmanager
diff --git a/lib/spack/spack/bootstrap/core.py b/lib/spack/spack/bootstrap/core.py
index a3f0aeb7647..40deccd412c 100644
--- a/lib/spack/spack/bootstrap/core.py
+++ b/lib/spack/spack/bootstrap/core.py
@@ -93,8 +93,7 @@ def __init__(self, conf: ConfigDictionary) -> None:
         self.conf = conf
         self.name = conf["name"]
         self.metadata_dir = spack.util.path.canonicalize_path(
-            conf["metadata"],
-            replacements=spack.paths.path_replacements()
+            conf["metadata"], replacements=spack.paths.path_replacements()
         )
 
         # Promote (relative) paths to file urls
@@ -589,8 +588,7 @@ def bootstrapping_sources(scope: Optional[str] = None):
     for entry in source_configs:
         current = copy.copy(entry)
         metadata_dir = spack.util.path.canonicalize_path(
-            entry["metadata"],
-            replacements=spack.paths.path_replacements()
+            entry["metadata"], replacements=spack.paths.path_replacements()
         )
         metadata_yaml = os.path.join(metadata_dir, METADATA_YAML_FILENAME)
         with open(metadata_yaml, encoding="utf-8") as stream:
diff --git a/lib/spack/spack/caches.py b/lib/spack/spack/caches.py
index 9f18f356755..78f9fb3c399 100644
--- a/lib/spack/spack/caches.py
+++ b/lib/spack/spack/caches.py
@@ -26,8 +26,7 @@ def misc_cache_location():
     providers and for which packages provide which tags.
     """
     path = spack.config.get("config:misc_cache", spack.paths.default_misc_cache_path)
-    return spack.util.path.canonicalize_path(path,
-                                             replacements=spack.paths.path_replacements())
+    return spack.util.path.canonicalize_path(path, replacements=spack.paths.path_replacements())
 
 
 def _misc_cache():
@@ -50,8 +49,7 @@ def fetch_cache_location():
     path = spack.config.get("config:source_cache")
     if not path:
         path = spack.paths.default_fetch_cache_path
-    path = spack.util.path.canonicalize_path(path,
-                                             replacements=spack.paths.path_replacements())
+    path = spack.util.path.canonicalize_path(path, replacements=spack.paths.path_replacements())
     return path
 
 
diff --git a/lib/spack/spack/cmd/bootstrap.py b/lib/spack/spack/cmd/bootstrap.py
index 7a578ab8449..b7f32ff2bc7 100644
--- a/lib/spack/spack/cmd/bootstrap.py
+++ b/lib/spack/spack/cmd/bootstrap.py
@@ -192,8 +192,9 @@ def _root(args):
 
     root = spack.config.get("bootstrap:root", default=None, scope=args.scope)
     if root:
-        root = spack.util.path.canonicalize_path(root,
-                                                 replacements=spack.paths.path_replacements())
+        root = spack.util.path.canonicalize_path(
+            root, replacements=spack.paths.path_replacements()
+        )
     print(root)
 
 
@@ -337,8 +338,9 @@ def _add(args):
         raise RuntimeError(msg.format(args.name))
 
     # Check that the metadata file exists
-    metadata_dir = spack.util.path.canonicalize_path(args.metadata_dir,
-                                                     replacements=spack.paths.path_replacements())
+    metadata_dir = spack.util.path.canonicalize_path(
+        args.metadata_dir, replacements=spack.paths.path_replacements()
+    )
     if not os.path.exists(metadata_dir) or not os.path.isdir(metadata_dir):
         raise RuntimeError('the directory "{0}" does not exist'.format(args.metadata_dir))
 
@@ -387,8 +389,9 @@ def _remove(args):
 
 
 def _mirror(args):
-    mirror_dir = spack.util.path.canonicalize_path(os.path.join(args.root_dir, LOCAL_MIRROR_DIR),
-                                                   replacements=spack.paths.path_replacements())
+    mirror_dir = spack.util.path.canonicalize_path(
+        os.path.join(args.root_dir, LOCAL_MIRROR_DIR), replacements=spack.paths.path_replacements()
+    )
 
     # TODO: Here we are adding gnuconfig manually, but this can be fixed
     # TODO: as soon as we have an option to add to a mirror all the possible
@@ -438,19 +441,22 @@ def write_metadata(subdir, metadata):
     if args.binary_packages:
         abs_directory, rel_directory = write_metadata(subdir="binaries", metadata=BINARY_METADATA)
         shutil.copy(
-            spack.util.path.canonicalize_path(CLINGO_JSON,
-                                              replacements=spack.paths.path_replacements()),
-            abs_directory
+            spack.util.path.canonicalize_path(
+                CLINGO_JSON, replacements=spack.paths.path_replacements()
+            ),
+            abs_directory,
         )
         shutil.copy(
-            spack.util.path.canonicalize_path(GNUPG_JSON,
-                                              replacements=spack.paths.path_replacements()),
-            abs_directory
+            spack.util.path.canonicalize_path(
+                GNUPG_JSON, replacements=spack.paths.path_replacements()
+            ),
+            abs_directory,
         )
         shutil.copy(
-            spack.util.path.canonicalize_path(PATCHELF_JSON,
-                                              replacements=spack.paths.path_replacements()),
-            abs_directory
+            spack.util.path.canonicalize_path(
+                PATCHELF_JSON, replacements=spack.paths.path_replacements()
+            ),
+            abs_directory,
         )
         instructions += cmd.format("local-binaries", rel_directory)
     print(instructions)
diff --git a/lib/spack/spack/cmd/checksum.py b/lib/spack/spack/cmd/checksum.py
index 8a03ebc12c2..545f12834a8 100644
--- a/lib/spack/spack/cmd/checksum.py
+++ b/lib/spack/spack/cmd/checksum.py
@@ -276,4 +276,4 @@ def add_versions_to_package(pkg: PackageBase, version_lines: str):
         tty.msg(f"Open {filename} to review the additions.")
 
     if sys.stdout.isatty():
-        editor(filename, debug=spack.config.get('config:debug'))
+        editor(filename, debug=spack.config.get("config:debug"))
diff --git a/lib/spack/spack/cmd/clean.py b/lib/spack/spack/cmd/clean.py
index 6b642953632..de9251c6977 100644
--- a/lib/spack/spack/cmd/clean.py
+++ b/lib/spack/spack/cmd/clean.py
@@ -135,8 +135,7 @@ def clean(parser, args):
 
     if args.bootstrap:
         bootstrap_prefix = spack.util.path.canonicalize_path(
-            spack.config.get("bootstrap:root"),
-            replacements=spack.paths.path_replacements()
+            spack.config.get("bootstrap:root"), replacements=spack.paths.path_replacements()
         )
         msg = 'Removing bootstrapped software and configuration in "{0}"'
         tty.msg(msg.format(bootstrap_prefix))
diff --git a/lib/spack/spack/cmd/config.py b/lib/spack/spack/cmd/config.py
index 7458088fd11..28016f561d3 100644
--- a/lib/spack/spack/cmd/config.py
+++ b/lib/spack/spack/cmd/config.py
@@ -180,7 +180,7 @@ def config_edit(args):
     if args.print_file:
         print(config_file)
     else:
-        editor(config_file, debug=spack.config.get('config:debug'))
+        editor(config_file, debug=spack.config.get("config:debug"))
 
 
 def config_list(args):
diff --git a/lib/spack/spack/cmd/create.py b/lib/spack/spack/cmd/create.py
index b5dc399e6e6..fe965c9d170 100644
--- a/lib/spack/spack/cmd/create.py
+++ b/lib/spack/spack/cmd/create.py
@@ -987,4 +987,4 @@ def create(parser, args):
 
     # Optionally open up the new package file in your $EDITOR
     if not args.skip_editor:
-        editor(pkg_path, debug=spack.config.get('config:debug'))
+        editor(pkg_path, debug=spack.config.get("config:debug"))
diff --git a/lib/spack/spack/cmd/develop.py b/lib/spack/spack/cmd/develop.py
index eb43a96b319..187678b122f 100644
--- a/lib/spack/spack/cmd/develop.py
+++ b/lib/spack/spack/cmd/develop.py
@@ -57,8 +57,7 @@ def develop(parser, args):
         for name, entry in env.dev_specs.items():
             path = entry.get("path", name)
             abspath = spack.util.path.canonicalize_path(
-                path, default_wd=env.path,
-                replacements=spack.paths.path_replacements()
+                path, default_wd=env.path, replacements=spack.paths.path_replacements()
             )
 
             if os.path.exists(abspath):
@@ -90,8 +89,9 @@ def develop(parser, args):
 
     # default path is relative path to spec.name
     path = args.path or spec.name
-    abspath = spack.util.path.canonicalize_path(path, default_wd=env.path,
-                                                replacements=spack.paths.path_replacements())
+    abspath = spack.util.path.canonicalize_path(
+        path, default_wd=env.path, replacements=spack.paths.path_replacements()
+    )
 
     # clone default: only if the path doesn't exist
     clone = args.clone
diff --git a/lib/spack/spack/cmd/edit.py b/lib/spack/spack/cmd/edit.py
index 000e30dc266..e16bb0ebe35 100644
--- a/lib/spack/spack/cmd/edit.py
+++ b/lib/spack/spack/cmd/edit.py
@@ -46,7 +46,7 @@ def edit_package(name, repo_path, namespace):
     else:
         raise spack.repo.UnknownPackageError(spec.name)
 
-    editor(path, debug=spack.config.get('config:debug'))
+    editor(path, debug=spack.config.get("config:debug"))
 
 
 def setup_parser(subparser):
diff --git a/lib/spack/spack/cmd/gpg.py b/lib/spack/spack/cmd/gpg.py
index c049268f139..cf622622f60 100644
--- a/lib/spack/spack/cmd/gpg.py
+++ b/lib/spack/spack/cmd/gpg.py
@@ -132,9 +132,7 @@ def gpg_create(args):
         old_sec_keys = spack.gpg.signing_keys()
 
     # Create the new key
-    spack.gpg.create(
-        name=args.name, email=args.email, comment=args.comment, expires=args.expires
-    )
+    spack.gpg.create(name=args.name, email=args.email, comment=args.comment, expires=args.expires)
     if args.export or args.secret:
         new_sec_keys = set(spack.gpg.signing_keys())
         new_keys = new_sec_keys.difference(old_sec_keys)
diff --git a/lib/spack/spack/cmd/repo.py b/lib/spack/spack/cmd/repo.py
index ab2e06ab6e9..bcf36f719a4 100644
--- a/lib/spack/spack/cmd/repo.py
+++ b/lib/spack/spack/cmd/repo.py
@@ -84,8 +84,9 @@ def repo_add(args):
     path = args.path
 
     # real_path is absolute and handles substitution.
-    canon_path = spack.util.path.canonicalize_path(path,
-                                                   replacements=spack.paths.path_replacements())
+    canon_path = spack.util.path.canonicalize_path(
+        path, replacements=spack.paths.path_replacements()
+    )
 
     # check if the path exists
     if not os.path.exists(canon_path):
@@ -117,12 +118,12 @@ def repo_remove(args):
     namespace_or_path = args.namespace_or_path
 
     # If the argument is a path, remove that repository from config.
-    canon_path = spack.util.path.canonicalize_path(namespace_or_path,
-                                                   replacements=spack.paths.path_replacements())
+    canon_path = spack.util.path.canonicalize_path(
+        namespace_or_path, replacements=spack.paths.path_replacements()
+    )
     for repo_path in repos:
         repo_canon_path = spack.util.path.canonicalize_path(
-            repo_path,
-            replacements=spack.paths.path_replacements()
+            repo_path, replacements=spack.paths.path_replacements()
         )
         if canon_path == repo_canon_path:
             repos.remove(repo_path)
diff --git a/lib/spack/spack/concretize.py b/lib/spack/spack/concretize.py
index 61eb4cfbdd4..7eb27769c58 100644
--- a/lib/spack/spack/concretize.py
+++ b/lib/spack/spack/concretize.py
@@ -92,8 +92,9 @@ def concretize_develop(self, spec):
         if not dev_info:
             return False
 
-        path = spack.util.path.canonicalize_path(dev_info["path"], default_wd=env.path,
-                                                 replacements=spack.paths.path_replacements())
+        path = spack.util.path.canonicalize_path(
+            dev_info["path"], default_wd=env.path, replacements=spack.paths.path_replacements()
+        )
 
         if "dev_path" in spec.variants:
             assert spec.variants["dev_path"].value == path
diff --git a/lib/spack/spack/config.py b/lib/spack/spack/config.py
index 9ddf96159d5..d0c05a138c4 100644
--- a/lib/spack/spack/config.py
+++ b/lib/spack/spack/config.py
@@ -1452,9 +1452,7 @@ def _fetch_file(url):
         raw = raw_github_gitlab_url(url)
         tty.debug("Reading config from url {0}".format(raw))
         return web_util.fetch_url_text(
-            raw,
-            dest_dir=dest_dir,
-            fetch_method=CONFIG.get('config:url_fetch_method')
+            raw, dest_dir=dest_dir, fetch_method=CONFIG.get("config:url_fetch_method")
         )
 
     if not url:
diff --git a/lib/spack/spack/environment/environment.py b/lib/spack/spack/environment/environment.py
index 3daf495e572..2ad6465e9c1 100644
--- a/lib/spack/spack/environment/environment.py
+++ b/lib/spack/spack/environment/environment.py
@@ -91,7 +91,7 @@ def env_root_path():
     """Override default root path if the user specified it"""
     return spack.util.path.canonicalize_path(
         spack.config.get("config:environments_root", default=default_env_path),
-        replacements=spack.paths.path_replacements()
+        replacements=spack.paths.path_replacements(),
     )
 
 
@@ -480,8 +480,7 @@ def __init__(
         self.base = base_path
         self.raw_root = root
         self.root = spack.util.path.canonicalize_path(
-            root, default_wd=base_path,
-            replacements=spack.paths.path_replacements()
+            root, default_wd=base_path, replacements=spack.paths.path_replacements()
         )
         self.projections = projections
         self.select = select
@@ -498,8 +497,7 @@ def exclude_fn(self, spec):
     def update_root(self, new_path):
         self.raw_root = new_path
         self.root = spack.util.path.canonicalize_path(
-            new_path, default_wd=self.base,
-            replacements=spack.paths.path_replacements()
+            new_path, default_wd=self.base, replacements=spack.paths.path_replacements()
         )
 
     def __eq__(self, other):
@@ -992,8 +990,9 @@ def included_config_scopes(self):
         missing = []
         for i, config_path in enumerate(reversed(includes)):
             # allow paths to contain spack config/environment variables, etc.
-            config_path = substitute_path_variables(config_path,
-                                                    replacements=spack.paths.path_replacements())
+            config_path = substitute_path_variables(
+                config_path, replacements=spack.paths.path_replacements()
+            )
 
             include_url = urllib.parse.urlparse(config_path)
 
@@ -1305,8 +1304,7 @@ def develop(self, spec: Spec, path: str, clone: bool = False) -> bool:
             # better if we can create the `source_path` directly into its final
             # destination.
             abspath = spack.util.path.canonicalize_path(
-                path, default_wd=self.path,
-                replacements=spack.paths.path_replacements()
+                path, default_wd=self.path, replacements=spack.paths.path_replacements()
             )
             pkg_cls = spack.repo.PATH.get_pkg_class(spec.name)
             # We construct a package class ourselves, rather than asking for
diff --git a/lib/spack/spack/hooks/licensing.py b/lib/spack/spack/hooks/licensing.py
index f61d20dccca..4983f84d73b 100644
--- a/lib/spack/spack/hooks/licensing.py
+++ b/lib/spack/spack/hooks/licensing.py
@@ -40,7 +40,7 @@ def set_up_license(pkg):
             write_license_file(pkg, license_path)
 
             # use spack.util.executable so the editor does not hang on return here
-            ed.editor(license_path, exec_fn=ed.executable, debug=spack.config.get('config:debug'))
+            ed.editor(license_path, exec_fn=ed.executable, debug=spack.config.get("config:debug"))
         else:
             # Use already existing license file
             tty.msg("Found already existing license %s" % license_path)
diff --git a/lib/spack/spack/install_test.py b/lib/spack/spack/install_test.py
index 01913cf4792..6cd97842ea8 100644
--- a/lib/spack/spack/install_test.py
+++ b/lib/spack/spack/install_test.py
@@ -92,7 +92,7 @@ def get_test_stage_dir():
     """
     return spack.util.path.canonicalize_path(
         spack.config.get("config:test_stage", spack.paths.default_test_path),
-        replacements=spack.paths.path_replacements()
+        replacements=spack.paths.path_replacements(),
     )
 
 
diff --git a/lib/spack/spack/installer.py b/lib/spack/spack/installer.py
index f4db4208f33..4bc93c930c7 100644
--- a/lib/spack/spack/installer.py
+++ b/lib/spack/spack/installer.py
@@ -491,7 +491,7 @@ def _process_binary_cache_tarball(
 
     tty.msg(f"Extracting {package_id(pkg)} from binary cache")
 
-    padding = spack.config.get('config:install_tree:padded_length', None)
+    padding = spack.config.get("config:install_tree:padded_length", None)
     with timer.measure("install"), spack.util.path.filter_padding(padding=padding):
         binary_distribution.extract_tarball(
             pkg.spec, download_result, unsigned=unsigned, force=False, timer=timer
@@ -2493,7 +2493,7 @@ def build_process(pkg: "spack.package_base.PackageBase", install_args: dict) ->
     installer = BuildProcessInstaller(pkg, install_args)
 
     # don't print long padded paths in executable debug output.
-    padding = spack.config.get('config:install_tree:padded_length', None)
+    padding = spack.config.get("config:install_tree:padded_length", None)
     with spack.util.path.filter_padding(padding=padding):
         return installer.run()
 
diff --git a/lib/spack/spack/mirror.py b/lib/spack/spack/mirror.py
index 247e621913c..eb8fdfa12fd 100644
--- a/lib/spack/spack/mirror.py
+++ b/lib/spack/spack/mirror.py
@@ -53,8 +53,9 @@ def _url_or_path_to_url(url_or_path: str) -> str:
 
     # Otherwise we interpret it as path, and we should promote it to file:// URL.
     return url_util.path_to_file_url(
-        spack.util.path.canonicalize_path(url_or_path,
-                                          replacements=spack.paths.path_replacements())
+        spack.util.path.canonicalize_path(
+            url_or_path, replacements=spack.paths.path_replacements()
+        )
     )
 
 
diff --git a/lib/spack/spack/modules/common.py b/lib/spack/spack/modules/common.py
index 4193e5fc9a5..8cce2e095ab 100644
--- a/lib/spack/spack/modules/common.py
+++ b/lib/spack/spack/modules/common.py
@@ -225,8 +225,7 @@ def root_path(name, module_set_name):
     roots = spack.config.merge_yaml(defaults, roots)
 
     path = roots.get(name, os.path.join(spack.paths.share_path, name))
-    return spack.util.path.canonicalize_path(path,
-                                             replacements=spack.paths.path_replacements())
+    return spack.util.path.canonicalize_path(path, replacements=spack.paths.path_replacements())
 
 
 def generate_module_index(root, modules, overwrite=False):
diff --git a/lib/spack/spack/package_prefs.py b/lib/spack/spack/package_prefs.py
index d949c84c42e..ed521f15088 100644
--- a/lib/spack/spack/package_prefs.py
+++ b/lib/spack/spack/package_prefs.py
@@ -180,8 +180,9 @@ def _package(maybe_abstract_spec):
             spec_str = entry["spec"]
             external_path = entry.get("prefix", None)
             if external_path:
-                external_path = canonicalize_path(external_path,
-                                                  replacements=spack.paths.path_replacements())
+                external_path = canonicalize_path(
+                    external_path, replacements=spack.paths.path_replacements()
+                )
             external_modules = entry.get("modules", None)
             external_spec = spack.spec.Spec.from_detection(
                 spack.spec.Spec(
diff --git a/lib/spack/spack/repo.py b/lib/spack/spack/repo.py
index 62751c38eaf..e6628cf6f7a 100644
--- a/lib/spack/spack/repo.py
+++ b/lib/spack/spack/repo.py
@@ -930,8 +930,7 @@ def __init__(self, root, cache=None):
         # Root directory, containing _repo.yaml and package dirs
         # Allow roots to by spack-relative by starting with '$spack'
         self.root = spack.util.path.canonicalize_path(
-            root,
-            replacements=spack.paths.path_replacements()
+            root, replacements=spack.paths.path_replacements()
         )
 
         # check and raise BadRepoError on fail.
@@ -1331,8 +1330,7 @@ def create_repo(root, namespace=None, subdir=packages_dir_name):
     If the namespace is not provided, use basename of root.
     Return the canonicalized path and namespace of the created repository.
     """
-    root = spack.util.path.canonicalize_path(root,
-                                             replacements=spack.paths.path_replacements())
+    root = spack.util.path.canonicalize_path(root, replacements=spack.paths.path_replacements())
     if not namespace:
         namespace = os.path.basename(root)
 
diff --git a/lib/spack/spack/solver/asp.py b/lib/spack/spack/solver/asp.py
index 26b100c6fc3..f31d720b51a 100644
--- a/lib/spack/spack/solver/asp.py
+++ b/lib/spack/spack/solver/asp.py
@@ -2604,9 +2604,10 @@ def setup(
                 spack.spec.Spec(info["spec"]).constrained(
                     "dev_path=%s"
                     % spack.util.path.canonicalize_path(
-                        info["path"], default_wd=env.path,
-                        replacements=spack.paths.path_replacements()
-                        )
+                        info["path"],
+                        default_wd=env.path,
+                        replacements=spack.paths.path_replacements(),
+                    )
                 )
                 for name, info in env.dev_specs.items()
             )
@@ -3123,8 +3124,9 @@ def _develop_specs_from_env(spec, env):
     if not dev_info:
         return
 
-    path = spack.util.path.canonicalize_path(dev_info["path"], default_wd=env.path,
-                                             replacements=spack.paths.path_replacements())
+    path = spack.util.path.canonicalize_path(
+        dev_info["path"], default_wd=env.path, replacements=spack.paths.path_replacements()
+    )
 
     if "dev_path" in spec.variants:
         error_msg = (
diff --git a/lib/spack/spack/stage.py b/lib/spack/spack/stage.py
index b86b430f3a6..c10a3f58c94 100644
--- a/lib/spack/spack/stage.py
+++ b/lib/spack/spack/stage.py
@@ -150,8 +150,7 @@ def _resolve_paths(candidates):
     Adjustments involve removing extra $user from $tempdir if $tempdir includes
     $user and appending $user if it is not present in the path.
     """
-    temp_path = sup.canonicalize_path("$tempdir",
-                                      replacements=spack.paths.path_replacements())
+    temp_path = sup.canonicalize_path("$tempdir", replacements=spack.paths.path_replacements())
     user = getpass.getuser()
     tmp_has_usr = user in temp_path.split(os.path.sep)
 
@@ -163,8 +162,7 @@ def _resolve_paths(candidates):
             path = path.replace("/$user", "", 1)
 
         # Ensure the path is unique per user.
-        can_path = sup.canonicalize_path(path,
-                                         replacements=spack.paths.path_replacements())
+        can_path = sup.canonicalize_path(path, replacements=spack.paths.path_replacements())
         # When multiple users share a stage root, we can avoid conflicts between
         # them by adding a per-user subdirectory.
         # Avoid doing this on Windows to keep stage absolute path as short as possible.
@@ -201,11 +199,10 @@ def get_stage_root():
 def _mirror_roots():
     mirrors = spack.config.get("mirrors")
     return [
-        sup.substitute_path_variables(root,
-                                      replacements=spack.paths.path_replacements())
+        sup.substitute_path_variables(root, replacements=spack.paths.path_replacements())
         if root.endswith(os.sep)
-        else sup.substitute_path_variables(root,
-                                           replacemnts=spack.paths.path_replacements()) + os.sep
+        else sup.substitute_path_variables(root, replacemnts=spack.paths.path_replacements())
+        + os.sep
         for root in mirrors.values()
     ]
 
diff --git a/lib/spack/spack/store.py b/lib/spack/spack/store.py
index 8fc419cce62..a8f184dac70 100644
--- a/lib/spack/spack/store.py
+++ b/lib/spack/spack/store.py
@@ -78,8 +78,7 @@ def parse_install_tree(config_dict):
         tty.warn("Using deprecated format for configuring install_tree")
         unpadded_root = install_tree
         unpadded_root = spack.util.path.canonicalize_path(
-            unpadded_root,
-            replacements=spack.paths.path_replacements()
+            unpadded_root, replacements=spack.paths.path_replacements()
         )
         # construct projection from previous values for backwards compatibility
         all_projection = config_dict.get(
@@ -90,8 +89,7 @@ def parse_install_tree(config_dict):
     else:
         unpadded_root = install_tree.get("root", DEFAULT_INSTALL_TREE_ROOT)
         unpadded_root = spack.util.path.canonicalize_path(
-            unpadded_root,
-            replacements=spack.paths.path_replacements()
+            unpadded_root, replacements=spack.paths.path_replacements()
         )
 
         padded_length = install_tree.get("padded_length", False)
@@ -273,8 +271,9 @@ def _construct_upstream_dbs_from_install_roots(
     for install_root in reversed(install_roots):
         upstream_dbs = list(accumulated_upstream_dbs)
         next_db = spack.database.Database(
-            spack.util.path.canonicalize_path(install_root,
-                                              replacements=spack.paths.path_replacements()),
+            spack.util.path.canonicalize_path(
+                install_root, replacements=spack.paths.path_replacements()
+            ),
             is_upstream=True,
             upstream_dbs=upstream_dbs,
         )
diff --git a/lib/spack/spack/tengine.py b/lib/spack/spack/tengine.py
index 05612ad1ef7..f8504b33c41 100644
--- a/lib/spack/spack/tengine.py
+++ b/lib/spack/spack/tengine.py
@@ -78,8 +78,9 @@ def make_environment(dirs: Optional[Tuple[str, ...]] = None):
         builtins = spack.config.get("config:template_dirs", ["$spack/share/spack/templates"])
         extensions = spack.extensions.get_template_dirs()
         r = spack.paths.path_replacements()
-        dirs = tuple(canonicalize_path(d, replacements=r)
-                     for d in itertools.chain(builtins, extensions))
+        dirs = tuple(
+            canonicalize_path(d, replacements=r) for d in itertools.chain(builtins, extensions)
+        )
 
     # Loader for the templates
     loader = jinja2.FileSystemLoader(dirs)
diff --git a/lib/spack/spack/test/bootstrap.py b/lib/spack/spack/test/bootstrap.py
index 3e41a3f36d7..31eb9400db6 100644
--- a/lib/spack/spack/test/bootstrap.py
+++ b/lib/spack/spack/test/bootstrap.py
@@ -83,8 +83,7 @@ def test_store_path_customization(config_value, expected, mutable_config):
     # Check the store path
     current = spack.bootstrap.config.store_path()
     assert current == spack.util.path.canonicalize_path(
-        expected,
-        replacements=spack.paths.path_replacements()
+        expected, replacements=spack.paths.path_replacements()
     )
 
 
diff --git a/lib/spack/spack/test/cmd/develop.py b/lib/spack/spack/test/cmd/develop.py
index cad4f04384f..7f2b45cfaa9 100644
--- a/lib/spack/spack/test/cmd/develop.py
+++ b/lib/spack/spack/test/cmd/develop.py
@@ -108,8 +108,7 @@ def test_develop_canonicalize_path(self, monkeypatch, config):
         with ev.read("test") as e:
             path = "../$user"
             abspath = spack.util.path.canonicalize_path(
-                path, e.path,
-                replacements=spack.paths.path_replacements()
+                path, e.path, replacements=spack.paths.path_replacements()
             )
 
             def check_path(stage, dest):
@@ -128,8 +127,7 @@ def test_develop_canonicalize_path_no_args(self, monkeypatch, config):
         with ev.read("test") as e:
             path = "$user"
             abspath = spack.util.path.canonicalize_path(
-                path, e.path,
-                replacements=spack.paths.path_replacements()
+                path, e.path, replacements=spack.paths.path_replacements()
             )
 
             def check_path(stage, dest):
diff --git a/lib/spack/spack/test/cmd/env.py b/lib/spack/spack/test/cmd/env.py
index d9f18023e42..7ba2c3bf4fe 100644
--- a/lib/spack/spack/test/cmd/env.py
+++ b/lib/spack/spack/test/cmd/env.py
@@ -904,8 +904,9 @@ def test_env_with_included_config_var_path(tmpdir, packages_file):
     spack_yaml = env_path / ev.manifest_name
     spack_yaml.write_text(mpileaks_env_config(config_var_path))
 
-    config_real_path = substitute_path_variables(config_var_path,
-                                                 replacements=spack.paths.path_replacements())
+    config_real_path = substitute_path_variables(
+        config_var_path, replacements=spack.paths.path_replacements()
+    )
     shutil.move(included_file, config_real_path)
     assert os.path.exists(config_real_path)
 
diff --git a/lib/spack/spack/test/config.py b/lib/spack/spack/test/config.py
index 7c1f87618eb..75cd64564cd 100644
--- a/lib/spack/spack/test/config.py
+++ b/lib/spack/spack/test/config.py
@@ -341,58 +341,48 @@ def test_substitute_config_variables(mock_low_high_config, monkeypatch):
     r = spack.paths.path_replacements()
     assert cross_plat_join(
         os.sep + os.path.join("foo", "bar", "baz"), prefix
-    ) == spack_path.canonicalize_path("/foo/bar/baz/$spack",
-                                      replacements=r)
+    ) == spack_path.canonicalize_path("/foo/bar/baz/$spack", replacements=r)
 
     assert cross_plat_join(
         spack.paths.prefix, os.path.join("foo", "bar", "baz")
-    ) == spack_path.canonicalize_path("$spack/foo/bar/baz/",
-                                      replacements=r)
+    ) == spack_path.canonicalize_path("$spack/foo/bar/baz/", replacements=r)
 
     assert cross_plat_join(
         os.sep + os.path.join("foo", "bar", "baz"), prefix, os.path.join("foo", "bar", "baz")
-    ) == spack_path.canonicalize_path("/foo/bar/baz/$spack/foo/bar/baz/",
-                                      replacements=r)
+    ) == spack_path.canonicalize_path("/foo/bar/baz/$spack/foo/bar/baz/", replacements=r)
 
     assert cross_plat_join(
         os.sep + os.path.join("foo", "bar", "baz"), prefix
-    ) == spack_path.canonicalize_path("/foo/bar/baz/${spack}",
-                                      replacements=r)
+    ) == spack_path.canonicalize_path("/foo/bar/baz/${spack}", replacements=r)
 
     assert cross_plat_join(
         spack.paths.prefix, os.path.join("foo", "bar", "baz")
-    ) == spack_path.canonicalize_path("${spack}/foo/bar/baz/",
-                                      replacements=r)
+    ) == spack_path.canonicalize_path("${spack}/foo/bar/baz/", replacements=r)
 
     assert cross_plat_join(
         os.sep + os.path.join("foo", "bar", "baz"), prefix, os.path.join("foo", "bar", "baz")
-    ) == spack_path.canonicalize_path("/foo/bar/baz/${spack}/foo/bar/baz/",
-                                      replacements=r)
+    ) == spack_path.canonicalize_path("/foo/bar/baz/${spack}/foo/bar/baz/", replacements=r)
 
     assert cross_plat_join(
         os.sep + os.path.join("foo", "bar", "baz"), prefix, os.path.join("foo", "bar", "baz")
-    ) != spack_path.canonicalize_path("/foo/bar/baz/${spack/foo/bar/baz/",
-                                      replacements=r)
+    ) != spack_path.canonicalize_path("/foo/bar/baz/${spack/foo/bar/baz/", replacements=r)
 
     # $env replacement is a no-op when no environment is active
     assert spack_path.canonicalize_path(
-        os.sep + os.path.join("foo", "bar", "baz", "$env"),
-        replacements=r
+        os.sep + os.path.join("foo", "bar", "baz", "$env"), replacements=r
     ) == os.sep + os.path.join("foo", "bar", "baz", "$env")
 
     # Fake an active environment and $env is replaced properly
     fake_env_path = os.sep + os.path.join("quux", "quuux")
     monkeypatch.setattr(ev, "active_environment", lambda: MockEnv(fake_env_path))
-    assert spack_path.canonicalize_path("$env/foo/bar/baz",
-                                        replacements=r) == os.path.join(
+    assert spack_path.canonicalize_path("$env/foo/bar/baz", replacements=r) == os.path.join(
         fake_env_path, os.path.join("foo", "bar", "baz")
     )
 
     # relative paths without source information are relative to cwd
-    assert spack_path.canonicalize_path(os.path.join("foo", "bar", "baz"),
-                                        replacements=r) == os.path.abspath(
-        os.path.join("foo", "bar", "baz")
-    )
+    assert spack_path.canonicalize_path(
+        os.path.join("foo", "bar", "baz"), replacements=r
+    ) == os.path.abspath(os.path.join("foo", "bar", "baz"))
 
     # relative paths with source information are relative to the file
     spack.config.set(
@@ -400,22 +390,19 @@ def test_substitute_config_variables(mock_low_high_config, monkeypatch):
     )
     spack.config.CONFIG.clear_caches()
     path = spack.config.get("modules:default:roots:lmod")
-    assert spack_path.canonicalize_path(path,
-                                        replacements=r) == os.path.normpath(
+    assert spack_path.canonicalize_path(path, replacements=r) == os.path.normpath(
         os.path.join(mock_low_high_config.scopes["low"].path, os.path.join("foo", "bar", "baz"))
     )
 
     # test architecture information is in replacements
     assert spack_path.canonicalize_path(
-        os.path.join("foo", "$platform", "bar"),
-        replacements=r
+        os.path.join("foo", "$platform", "bar"), replacements=r
     ) == os.path.abspath(os.path.join("foo", "test", "bar"))
 
     host_target = spack.platforms.host().target("default_target")
     host_target_family = str(host_target.microarchitecture.family)
     assert spack_path.canonicalize_path(
-        os.path.join("foo", "$target_family", "bar"),
-        replacements=r
+        os.path.join("foo", "$target_family", "bar"), replacements=r
     ) == os.path.abspath(os.path.join("foo", host_target_family, "bar"))
 
 
@@ -453,32 +440,32 @@ def test_substitute_user(mock_low_high_config):
         "foo", "bar"
     ) + os.sep + user + os.sep + "baz" == spack_path.canonicalize_path(
         os.sep + os.path.join("foo", "bar", "$user", "baz"),
-        replacements=spack.paths.path_replacements()
+        replacements=spack.paths.path_replacements(),
     )
 
 
 def test_substitute_user_cache(mock_low_high_config):
     user_cache_path = spack.paths.user_cache_path
     assert user_cache_path + os.sep + "baz" == spack_path.canonicalize_path(
-        os.path.join("$user_cache_path", "baz"),
-        replacements=spack.paths.path_replacements()
+        os.path.join("$user_cache_path", "baz"), replacements=spack.paths.path_replacements()
     )
 
 
 def test_substitute_tempdir(mock_low_high_config):
     tempdir = tempfile.gettempdir()
-    assert tempdir == spack_path.canonicalize_path("$tempdir",
-                                                   replacements=spack.paths.path_replacements())
+    assert tempdir == spack_path.canonicalize_path(
+        "$tempdir", replacements=spack.paths.path_replacements()
+    )
     assert tempdir + os.sep + os.path.join("foo", "bar", "baz") == spack_path.canonicalize_path(
-        os.path.join("$tempdir", "foo", "bar", "baz"),
-        replacements=spack.paths.path_replacements()
+        os.path.join("$tempdir", "foo", "bar", "baz"), replacements=spack.paths.path_replacements()
     )
 
 
 def test_substitute_date(mock_low_high_config):
     test_path = os.path.join("hello", "world", "on", "$date")
-    new_path = spack_path.canonicalize_path(test_path,
-                                            replacements=spack.paths.path_replacements())
+    new_path = spack_path.canonicalize_path(
+        test_path, replacements=spack.paths.path_replacements()
+    )
     assert "$date" in test_path
     assert date.today().strftime("%Y-%m-%d") in new_path
 
diff --git a/lib/spack/spack/test/stage.py b/lib/spack/spack/test/stage.py
index da74c421ace..a1c789d5c98 100644
--- a/lib/spack/spack/test/stage.py
+++ b/lib/spack/spack/test/stage.py
@@ -734,8 +734,7 @@ def test_resolve_paths(self):
         assert spack.stage._resolve_paths(paths) == paths
 
         tempdir = "$tempdir"
-        can_tempdir = canonicalize_path(tempdir,
-                                        replacements=spack.paths.path_replacements())
+        can_tempdir = canonicalize_path(tempdir, replacements=spack.paths.path_replacements())
         user = getpass.getuser()
         temp_has_user = user in can_tempdir.split(os.sep)
         paths = [
diff --git a/lib/spack/spack/test/url_fetch.py b/lib/spack/spack/test/url_fetch.py
index cdcf81869e4..6e0d76f0015 100644
--- a/lib/spack/spack/test/url_fetch.py
+++ b/lib/spack/spack/test/url_fetch.py
@@ -351,8 +351,7 @@ def _which(*args, **kwargs):
 
 def test_url_fetch_text_without_url(tmpdir):
     with pytest.raises(web_util.WebError, match="URL is required"):
-        web_util.fetch_url_text(None,
-                                fetch_method=spack.config.get('config:url_fetch_method'))
+        web_util.fetch_url_text(None, fetch_method=spack.config.get("config:url_fetch_method"))
 
 
 def test_url_fetch_text_curl_failures(tmpdir, monkeypatch):
@@ -369,8 +368,9 @@ def _which(*args, **kwargs):
 
     with spack.config.override("config:url_fetch_method", "curl"):
         with pytest.raises(web_util.WebError, match="Missing required curl"):
-            web_util.fetch_url_text("https://github.com/",
-                                    fetch_method=spack.config.get('config:url_fetch_method'))
+            web_util.fetch_url_text(
+                "https://github.com/", fetch_method=spack.config.get("config:url_fetch_method")
+            )
 
 
 def test_url_check_curl_errors():
@@ -398,8 +398,10 @@ def _which(*args, **kwargs):
 
     with spack.config.override("config:url_fetch_method", "curl"):
         with pytest.raises(web_util.WebError, match="Missing required curl"):
-            web_util.url_exists("https://github.com/",
-                                fetch_method=spack.config.get('config:url_fetch_method', 'urllib'))
+            web_util.url_exists(
+                "https://github.com/",
+                fetch_method=spack.config.get("config:url_fetch_method", "urllib"),
+            )
 
 
 def test_url_fetch_text_urllib_bad_returncode(tmpdir, monkeypatch):
@@ -414,8 +416,9 @@ def _read_from_url(*args, **kwargs):
 
     with spack.config.override("config:url_fetch_method", "urllib"):
         with pytest.raises(web_util.WebError, match="failed with error code"):
-            web_util.fetch_url_text("https://github.com/",
-                                    fetch_method=spack.config.get('config:url_fetch_method'))
+            web_util.fetch_url_text(
+                "https://github.com/", fetch_method=spack.config.get("config:url_fetch_method")
+            )
 
 
 def test_url_fetch_text_urllib_web_error(tmpdir, monkeypatch):
@@ -426,5 +429,6 @@ def _raise_web_error(*args, **kwargs):
 
     with spack.config.override("config:url_fetch_method", "urllib"):
         with pytest.raises(web_util.WebError, match="fetch failed to verify"):
-            web_util.fetch_url_text("https://github.com/",
-                                    fetch_method=spack.config.get('config:url_fetch_method'))
+            web_util.fetch_url_text(
+                "https://github.com/", fetch_method=spack.config.get("config:url_fetch_method")
+            )
diff --git a/lib/spack/spack/test/util/path.py b/lib/spack/spack/test/util/path.py
index 13c2edd806a..943a9841876 100644
--- a/lib/spack/spack/test/util/path.py
+++ b/lib/spack/spack/test/util/path.py
@@ -79,7 +79,7 @@ def test_output_filtering(self, capfd, install_mockery, mutable_config):
         # test filtering when padding is enabled
         with spack.config.override("config:install_tree", {"padded_length": 256}):
             # tty.msg with filtering on the first argument
-            padding = spack.config.get('config:install_tree:padded_length', None)
+            padding = spack.config.get("config:install_tree:padded_length", None)
             with sup.filter_padding(padding=padding):
                 tty.msg("here is a long path: %s/with/a/suffix" % long_path)
             out, err = capfd.readouterr()
diff --git a/lib/spack/spack/util/editor.py b/lib/spack/spack/util/editor.py
index a4a5d5da72e..51b2402d3bc 100644
--- a/lib/spack/spack/util/editor.py
+++ b/lib/spack/spack/util/editor.py
@@ -60,8 +60,9 @@ def executable(exe: str, args: List[str]) -> int:
     return cmd.returncode
 
 
-def editor(*args: str, exec_fn: Callable[[str, List[str]], int] = os.execv,
-           debug: bool = False) -> bool:
+def editor(
+    *args: str, exec_fn: Callable[[str, List[str]], int] = os.execv, debug: bool = False
+) -> bool:
     """Invoke the user's editor.
 
     This will try to execute the following, in order: