Py 3.9 does not support types 'xyz | None'

Author: stfnkth

.github/workflows/pytest.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v4

pyproject.toml

@@ -4,7 +4,7 @@ version = "0.1.0-rc.2"
 description = "Python Bindings for OpenLayersJS"
 readme = "README.md"
 authors = [{ name = "Stefan Kuethe", email = "[email protected]" }]
-requires-python = ">=3.9, <4"
+requires-python = ">=3.10, <4"
 dependencies = [
     "anywidget>=0.9.0",
     "eval-type-backport>=0.2.2",