fix up pre-commit by dropping 3.9 check for mypy

.pre-commit-config.yaml

@@ -55,14 +55,15 @@ repos:
 -   repo: https://github.com/pre-commit/mirrors-mypy
     rev: v1.13.0
     # check the oldest and newest supported Pythons
+    # except skip python 3.9 for numpy, due to poor typing
     hooks:
       - &mypy
         id: mypy
-        name: mypy with Python 3.9
+        name: mypy with Python 3.10
         files: src
         additional_dependencies:
           ['numpy', 'types-tqdm', 'click', 'types-jsonpatch', 'types-pyyaml', 'types-jsonschema', 'importlib_metadata', 'packaging']
-        args: ["--python-version=3.9"]
+        args: ["--python-version=3.10"]
       - <<: *mypy
         name: mypy with Python 3.12
         args: ["--python-version=3.12"]

src/pyhf/tensor/numpy_backend.py

@@ -203,8 +203,7 @@ def tolist(
         self, tensor_in: Tensor[T] | list[T]
     ) -> int | float | complex | list[T] | list[Any]:
         try:
-            # unused-ignore for [no-any-return] in python 3.9
-            return tensor_in.tolist()  # type: ignore[union-attr,no-any-return,unused-ignore]
+            return tensor_in.tolist()  # type: ignore[union-attr]
         except AttributeError:
             if isinstance(tensor_in, list):
                 return tensor_in