MAINT: removing python 3.9 support

Author: bsipocz

.github/workflows/tests.yml

@@ -1,4 +1,4 @@
-name: continuous-integration
+-name: continuous-integration
 
 on:
   push:
@@ -39,6 +39,12 @@ jobs:
             sphinx: "~=8.0"
             myst-parser: "~=4.0"
             pillow: "==11.0.0"
+          # Oldest known-compatible dependencies
+          - os: ubuntu-latest
+            python-version: "3.10"
+            sphinx: "==5.0.0"
+            myst-parser: "==1.0.0"
+            pillow: "==11.0.0"
           # Mid-range dependencies
           - os: ubuntu-latest
             python-version: "3.11"

myst_nb/sphinx_ext.py

@@ -194,14 +194,10 @@ def _get_file_hash(path: Path):
 
 @contextlib.contextmanager
 def _import_resources_path(package: ModuleType, resource: str) -> Iterator[Path]:
-    if sys.version_info < (3, 9):
-        with import_resources.path(package, resource) as path:
-            yield path
-    else:
-        with import_resources.as_file(
-            import_resources.files(package).joinpath(resource)
-        ) as path:
-            yield path
+    with import_resources.as_file(
+        import_resources.files(package).joinpath(resource)
+    ) as path:
+        yield path
 
 
 def add_css(app: Sphinx):