also mypy python/mypy#15900

Author: cmp0xff

pandas-stubs/_typing.pyi

@@ -1225,7 +1225,8 @@ Incomplete: TypeAlias = Any
 # differentiating between bool and int/float/complex
 # https://github.com/pandas-dev/pandas-stubs/pull/1312#pullrequestreview-3126128971
 class Just(Protocol, Generic[T]):
-    @property  # type: ignore[override]
+    # TODO: python/mypy#15900 we did use explicit override but mypy does not see it
+    @property  # type: ignore[override,explicit-override]
     @override
     def __class__(self, /) -> type[T]: ...  # pyrefly: ignore[bad-override]
     @__class__.setter
@@ -1236,7 +1237,8 @@ class Just(Protocol, Generic[T]):
 # TODO: caveats astral-sh/ty#4150 python/mypy#21795
 class CovariantList(Protocol[_T_co]):
     __hash__: ClassVar[None]  # type: ignore[assignment] # pyright: ignore[reportIncompatibleMethodOverride]
-    @property  # type: ignore[override]
+    # TODO: python/mypy#15900 we did use explicit override but mypy does not see it
+    @property  # type: ignore[override,explicit-override]
     @override
     def __class__(self) -> type[list[Any]]: ...  # pyrefly: ignore[bad-override]
     @__class__.setter

pandas-stubs/core/arrays/timedeltas.pyi

@@ -133,7 +133,8 @@ class TimedeltaArray(TimelikeOps):
     def nanoseconds(self) -> np_1darray_int32: ...
     @property
     def components(self) -> DataFrame: ...
-    @property
+    # TODO: python/mypy#15900 we did use explicit override but mypy does not see it
+    @property  # type: ignore[explicit-override]
     @override
     def freq(self) -> DateOffset | None: ...  # pyrefly: ignore[bad-override]
     @freq.setter  # type: ignore[override]

pyproject.toml

@@ -291,7 +291,11 @@ warn_return_any = false     # TODO
 warn_unreachable = true
 # Suppressing errors
 ignore_errors = false
-enable_error_code = "ignore-without-code" # same as in pandas
+enable_error_code = [
+  "ignore-without-code",  # same as in pandas
+    # TODO: exhaust https://mypy.readthedocs.io/en/stable/error_code_list2.html
+  "explicit-override"
+]
 # Miscellaneous strictness flags
 allow_untyped_globals = false
 allow_redefinition = false