Merge pull request #149 from twisted/dependabot/pip/mypy-38d0ee0751

Bump mypy from 1.13.0 to 1.14.0 in the mypy group

requirements_mypy.in

@@ -1,3 +1,3 @@
-mypy==1.13.0
+mypy==1.14.0
 twisted
 hatchling  # for types

requirements_mypy.txt

@@ -18,7 +18,7 @@ idna==3.7
     # via hyperlink
 incremental==24.7.2
     # via twisted
-mypy==1.13.0
+mypy==1.14.0
     # via -r requirements_mypy.in
 mypy-extensions==1.0.0
     # via mypy

src/incremental/__init__.py

@@ -239,7 +239,11 @@ def __cmp__(self, other: object) -> int:
             differ.
         """
         if not isinstance(other, self.__class__):
-            return NotImplemented
+            # MyPy historically treated NotImplemented as Any, hence no-any-return.
+            # It doesn't seem to know that types.NotImplementedType exists, so it
+            # doesn't seem to be possible to correctly type-annotate this method.
+            # See https://github.com/python/mypy/issues/4791 for more weirdness.
+            return NotImplemented  # type: ignore[no-any-return]
         if self.package.lower() != other.package.lower():
             raise IncomparableVersions(f"{self.package!r} != {other.package!r}")