fool uv into using some black version

Signed-off-by: Todd Gamblin <tgamblin@llnl.gov>

.readthedocs.yml

@@ -6,6 +6,17 @@ build:
     - graphviz
   tools:
     python: "3.11"
+  jobs:
+    create_environment:
+      - asdf plugin add uv
+      - asdf install uv latest
+      - asdf global uv latest
+      - uv venv
+    install:
+      - uv pip install -r lib/spack/docs/requirements.txt
+    build:
+      html:
+        - uv run sphinx-build -T -b html docs $READTHEDOCS_OUTPUT/html
 
 sphinx:
   configuration: lib/spack/docs/conf.py

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name="spack"
 description="The spack package manager"
-requires-python=">=3.6"
+requires-python=">=3.6.2"
 dependencies=[
   "clingo",
   "setuptools",

var/spack/repos/spack_repo/builtin/packages/vtk/package.py

@@ -156,13 +156,7 @@ class Vtk(CMakePackage):
     depends_on("libxt", when="^[virtuals=gl] glx platform=linux")
 
     # VTK will need Qt5OpenGL, and qt needs '-opengl' for that
-    depends_on("qmake", when="@9.1: +qt")
+    depends_on("qt+opengl", when="+qt")
-    with when("^[virtuals=qmake] qt-base"):
-        depends_on("qt-base+opengl+widgets")
-        depends_on("qt-quick3d")
-    with when("^[virtuals=qmake] qt"):
-        depends_on("qt+opengl")
-    depends_on("qt+opengl", when="@:9.0 +qt")
 
     depends_on("boost", when="+xdmf")
     depends_on("boost+mpi", when="+xdmf +mpi")
@@ -386,8 +380,8 @@ def cmake_args(self):
             cmake_args.extend(["-DCMAKE_MACOSX_RPATH=ON"])
 
         if "+qt" in spec:
-            qt_ver = spec["qmake"].version.up_to(1)
+            qt_ver = spec["qt"].version.up_to(1)
-            qt_bin = spec["qmake"].prefix.bin
+            qt_bin = spec["qt"].prefix.bin
             qmake_exe = os.path.join(qt_bin, "qmake")
 
             # https://github.com/martijnkoopman/Qt-VTK-viewer/blob/master/doc/Build-VTK.md
@@ -412,7 +406,7 @@ def cmake_args(self):
             # NOTE: The following definitions are required in order to allow
             # VTK to build with qt~webkit versions (see the documentation for
             # more info: http://www.vtk.org/Wiki/VTK/Tutorials/QtSetup).
-            if "~webkit" in spec["qmake"]:
+            if "~webkit" in spec["qt"]:
                 if spec.satisfies("@:8"):
                     cmake_args.extend(
                         [