unsupported overloads

Author: twoertwein

pandas/core/base.py

@@ -769,9 +769,7 @@ def hasnans(self) -> bool:
 
         Enables various performance speedups.
         """
-        # error: Item "bool" of "Union[bool, ndarray[Any, dtype[bool_]], NDFrame]"
-        # has no attribute "any"
-        return bool(isna(self).any())  # type: ignore[union-attr]
+        return bool(isna(self).any())
 
     def isna(self):
         return isna(self._values)

pandas/core/dtypes/missing.py

@@ -7,6 +7,7 @@
 from functools import partial
 from typing import (
     TYPE_CHECKING,
+    Literal,
     overload,
 )
 
@@ -66,7 +67,7 @@
         npt,
     )
 
-    from pandas.core.indexes.base import Index
+    from pandas.core.base import IndexOpsMixin
 
 
 isposinf_scalar = libmissing.isposinf_scalar
@@ -79,24 +80,27 @@
 
 
 @overload
-def isna(obj: Scalar) -> bool:
+def isna(obj: Scalar) -> bool:  # type: ignore[misc]
     ...
 
 
 @overload
-def isna(
-    obj: ArrayLike | Index | list,
-) -> npt.NDArray[np.bool_]:
+def isna(obj: ArrayLike | list) -> npt.NDArray[np.bool_]:  # type: ignore[misc]
     ...
 
 
 @overload
-def isna(obj: NDFrameT) -> NDFrameT:
+def isna(obj: NDFrameT) -> NDFrameT:  # type: ignore[misc]
     ...
 
 
 @overload
-def isna(obj: object) -> bool | npt.NDArray[np.bool_] | NDFrame:
+def isna(obj: IndexOpsMixin) -> npt.NDArray[np.bool_]:  # type: ignore[misc]
+    ...
+
+
+@overload
+def isna(obj: object) -> Literal[False]:
     ...
 
 
@@ -322,24 +326,27 @@ def _isna_string_dtype(values: np.ndarray, inf_as_na: bool) -> npt.NDArray[np.bo
 
 
 @overload
-def notna(obj: Scalar) -> bool:
+def notna(obj: Scalar) -> bool:  # type: ignore[misc]
     ...
 
 
 @overload
-def notna(
-    obj: ArrayLike | Index | list,
-) -> npt.NDArray[np.bool_]:
+def notna(obj: ArrayLike | list) -> npt.NDArray[np.bool_]:  # type: ignore[misc]
     ...
 
 
 @overload
-def notna(obj: NDFrameT) -> NDFrameT:
+def notna(obj: NDFrameT) -> NDFrameT:  # type: ignore[misc]
     ...
 
 
 @overload
-def notna(obj: object) -> bool | npt.NDArray[np.bool_] | NDFrame:
+def notna(obj: IndexOpsMixin) -> npt.NDArray[np.bool_]:  # type: ignore[misc]
+    ...
+
+
+@overload
+def notna(obj: object) -> Literal[False]:
     ...
 
 

pandas/core/window/ewm.py

@@ -391,9 +391,8 @@ def __init__(
                 raise ValueError(
                     "halflife must be a string or datetime.timedelta object"
                 )
-            # error: Item "bool" of "Union[bool, ndarray[Any, dtype[bool_]], NDFrame]"
-            # has no attribute "any"
-            if isna(self.times).any():  # type: ignore[union-attr]
+            # error: "Literal[False]" has no attribute "any"
+            if isna(self.times).any():  # type: ignore[attr-defined]
                 raise ValueError("Cannot convert NaT values to integer")
             self._deltas = _calculate_deltas(self.times, self.halflife)
             # Halflife is no longer applicable when calculating COM