API: bump the minimum version of pillow

Version 9 fixes support for gifs + transparency and was released in January,
2022 so we are with in the 2-year support window for dependencies with compiled
extensions.

Author: tacaswell

doc/install/dependencies.rst

@@ -28,7 +28,7 @@ reference.
 * `kiwisolver <https://github.com/nucleic/kiwi>`_ (>= 1.3.1)
 * `NumPy <https://numpy.org>`_ (>= 1.23)
 * `packaging <https://pypi.org/project/packaging/>`_ (>= 20.0)
-* `Pillow <https://pillow.readthedocs.io/en/latest/>`_ (>= 8.0)
+* `Pillow <https://pillow.readthedocs.io/en/latest/>`_ (>= 9.0)
 * `pyparsing <https://pypi.org/project/pyparsing/>`_ (>= 2.3.1)
 
 

environment.yml

@@ -19,7 +19,7 @@ dependencies:
   - pybind11>=2.13.2
   - meson-python>=0.13.1
   - numpy<2.1
-  - pillow>=8
+  - pillow>=9
   - pkg-config
   - pygobject
   - pyparsing>=2.3.1

pyproject.toml

@@ -37,7 +37,7 @@ dependencies = [
     "kiwisolver >= 1.3.1",
     "numpy >= 1.23",
     "packaging >= 20.0",
-    "pillow >= 8",
+    "pillow >= 9",
     "pyparsing >= 2.3.1",
     "python-dateutil >= 2.7",
 ]

requirements/testing/minver.txt

@@ -9,7 +9,7 @@ meson-python==0.13.1
 meson==1.1.0
 numpy==1.23.0
 packaging==20.0
-pillow==8.3.2
+pillow==9.0.1
 pyparsing==2.3.1
 pytest==7.0.0
 python-dateutil==2.7

requirements/testing/mypy.txt

@@ -19,7 +19,7 @@ cycler>=0.10
 fonttools>=4.22.0
 kiwisolver>=1.3.1
 packaging>=20.0
-pillow>=8
+pillow>=9
 pyparsing>=2.3.1
 python-dateutil>=2.7
 setuptools_scm>=7