Bump min Python to 3.9

Author: dstansby

.github/workflows/test_and_publish.yml

@@ -31,10 +31,10 @@ jobs:
         - macos: py39-test-mpl33
         - windows: py39-test-mpl33
         # Test oldest non-NEP 29 configurations
-        - linux: py36-test-mpl20
+        - linux: py39-test-mpl20
           runs-on: ubuntu-20.04
-        - macos: py36-test-mpl20
-        - windows: py36-test-mpl20
+        - macos: py39-test-mpl20
+        - windows: py39-test-mpl20
         # Test newest configurations
         - linux: py312-test-mpl38
         - macos: py312-test-mpl38
@@ -48,7 +48,7 @@ jobs:
         # Test different versions of pytest
         - linux: py312-test-mpldev-pytestdev
         - linux: py39-test-mpl33-pytest62
-        - linux: py38-test-mpl31-pytest54
+        - linux: py39-test-mpl31-pytest54
       coverage: "codecov"
 
   publish:

docs/installing.rst

@@ -4,7 +4,7 @@
 Installation Guide
 ##################
 
-This plugin is compatible with Python 3.6 and later, and
+This plugin is compatible with Python 3.9 and later, and
 requires `pytest <http://pytest.org>`__ and
 `matplotlib <http://www.matplotlib.org>`__ to be installed.
 

setup.cfg

@@ -23,7 +23,7 @@ long_description_content_type = text/x-rst
 zip_safe = True
 packages = find:
 include_package_data = True
-python_requires = >=3.6
+python_requires = >=3.9
 install_requires =
     pytest
     matplotlib