WIP: mypy support 1.17.1

Author: Dr-Irv

pandas/core/_numba/executor.py

@@ -87,7 +87,11 @@ def column_looper(
     else:
 
         @numba.jit(nopython=nopython, nogil=nogil, parallel=parallel)
-        def column_looper(
+        # error: Incompatible redefinition (redefinition with type
+        # "Callable[[ndarray[Any, Any], ndarray[Any, Any], ndarray[Any, Any],
+        # int, VarArg(Any)], Any]", original type "Callable[[ndarray[Any, Any],
+        # ndarray[Any, Any], int, int, VarArg(Any)], Any]")
+        def column_looper(  # type: ignore[misc]
             values: np.ndarray,
             start: np.ndarray,
             end: np.ndarray,

pandas/core/util/hashing.py

@@ -344,4 +344,7 @@ def _hash_ndarray(
     vals ^= vals >> 27
     vals *= np.uint64(0x94D049BB133111EB)
     vals ^= vals >> 31
-    return vals
+    # error: Incompatible return value type (got "Any | ndarray[tuple[int, ...],
+    # dtype[signedinteger[Any]]]", expected "ndarray[tuple[int, ...],
+    # dtype[unsignedinteger[_64Bit]]]")
+    return vals  # type: ignore[return-value]

pandas/io/common.py

@@ -951,9 +951,7 @@ def get_handle(
     )
 
 
-# error: Definition of "__enter__" in base class "IOBase" is incompatible
-# with definition in base class "BinaryIO"
-class _BufferedWriter(BytesIO, ABC):  # type: ignore[misc]
+class _BufferedWriter(BytesIO, ABC):
     """
     Some objects do not support multiple .write() calls (TarFile and ZipFile).
     This wrapper writes to the underlying buffer on close.
@@ -990,9 +988,10 @@ def __init__(
         super().__init__()
         self.archive_name = archive_name
         self.name = name
-        # error: Incompatible types in assignment (expression has type "TarFile",
-        # base class "_BufferedWriter" defined the type as "BytesIO")
-        self.buffer: tarfile.TarFile = tarfile.TarFile.open(  # type: ignore[assignment]
+        #  error: No overload variant of "open" of "TarFile" matches argument
+        # types "str | None", "str", "ReadBuffer[bytes] | WriteBuffer[bytes] | None",
+        # "dict[str, Any]"
+        self.buffer: tarfile.TarFile = tarfile.TarFile.open(  # type: ignore[call-overload]
             name=name,
             mode=self.extend_mode(mode),
             fileobj=fileobj,
@@ -1045,9 +1044,10 @@ def __init__(
         self.archive_name = archive_name
 
         kwargs.setdefault("compression", zipfile.ZIP_DEFLATED)
-        # error: Incompatible types in assignment (expression has type "ZipFile",
-        # base class "_BufferedWriter" defined the type as "BytesIO")
-        self.buffer: zipfile.ZipFile = zipfile.ZipFile(  # type: ignore[assignment]
+        # error: No overload variant of "ZipFile" matches argument types
+        # "str | PathLike[str] | ReadBuffer[bytes] | WriteBuffer[bytes]",
+        # "str", "dict[str, Any]"
+        self.buffer: zipfile.ZipFile = zipfile.ZipFile(  # type: ignore[call-overload]
             file, mode, **kwargs
         )