Style: black 23, skip magic trailing comma (#35351)

* Style: black 23, skip magic trailing commas

* isort should use same line length as black

* Fix unused import

* Update version of black used in CI

* Update new packages

* Update new packages

share/spack/qa/flake8_formatter.py

@@ -17,14 +17,9 @@
     # exemptions applied only to package.py files.
     r"package.py$": {
         # Allow 'from spack.package import *' in packages, but no other wildcards
-        "F403": [
-            r"^from spack.package import \*$",
-            r"^from spack.package_defs import \*$",
-        ],
+        "F403": [r"^from spack.package import \*$", r"^from spack.package_defs import \*$"],
         # Exempt '@when' decorated functions from redefinition errors.
-        "F811": [
-            r"^\s*@when\(.*\)",
-        ],
+        "F811": [r"^\s*@when\(.*\)"],
     },
     # exemptions applied to all files.
     r".py$": {
@@ -52,7 +47,7 @@ def __init__(self, options):
         self.error_seen = False
         super().__init__(options)
 
-    def after_init(self):  # type: () -> None
+    def after_init(self) -> None:
         """Overriding to keep format string from being unset in Default"""
         pass
 
@@ -65,7 +60,7 @@ def beginning(self, filename):
                 for code, pat_arr in errors.items():
                     self.spack_errors[code].extend(pat_arr)
 
-    def handle(self, error):  # type: (Violation) -> None
+    def handle(self, error: Violation) -> None:
         """Handle an error reported by Flake8.
 
         This defaults to calling :meth:`format`, :meth:`show_source`, and
@@ -75,8 +70,6 @@ def handle(self, error):  # type: (Violation) -> None
         :param error:
             This will be an instance of
             :class:`~flake8.style_guide.Violation`.
-        :type error:
-            flake8.style_guide.Violation
         """
 
         # print(error.code)