MNT: Update packaging to accommodate matplotlib

Author: effigies

doc/source/installation.rst

@@ -85,7 +85,7 @@ Requirements
 
 *  Python_ 3.9 or greater
 *  NumPy_ 1.22 or greater
-*  Packaging_ 17.0 or greater
+*  Packaging_ 20.0 or greater
 *  importlib-resources_ 5.12 or greater (or Python 3.12+)
 *  SciPy_ 1.8 or greater (optional, for full SPM-ANALYZE support)
 *  h5py_ 3.5 or greater (optional, for MINC2 support)

pyproject.toml

@@ -12,7 +12,7 @@ license = { text = "MIT License" }
 requires-python = ">=3.9"
 dependencies = [
   "numpy >=1.22",
-  "packaging >=17",
+  "packaging >=20",
   "importlib_resources >=5.12; python_version < '3.12'",
   "typing_extensions >=4.6; python_version < '3.13'",
 ]
@@ -62,7 +62,7 @@ zstd = ["pyzstd >= 0.14.3"]
 # tox should use these with extras instead of duplicating
 doc = [
   "sphinx",
-  "matplotlib>=1.5.3",
+  "matplotlib>=3.5",
   "numpydoc",
   "texext",
   "tomli; python_version < '3.11'",

tox.ini

@@ -75,7 +75,8 @@ set_env =
 extras = test
 deps =
   # General minimum dependencies: pin based on API usage
-  min: packaging ==17
+  # matplotlib 3.5 requires packaging 20
+  min: packaging ==20
   min: importlib_resources ==5.12; python_version < '3.12'
   min: typing_extensions ==4.6; python_version < '3.13'
   # NEP29/SPEC0 + 1yr: Test on minor release series within the last 3 years