TYP: Add second HashableT

pandas-stubs/core/reshape/pivot.pyi

@@ -1,7 +1,9 @@
 from typing import (
     Callable,
+    Hashable,
     Literal,
     Sequence,
+    TypeVar,
 )
 
 import numpy as np
@@ -16,6 +18,8 @@ from pandas._typing import (
     npt,
 )
 
+_HashableT2 = TypeVar("_HashableT2", bound=Hashable)
+
 def pivot_table(
     data: DataFrame,
     values: str | None = ...,
@@ -40,7 +44,7 @@ def crosstab(
     columns: list | npt.NDArray | Series | list[Sequence | npt.NDArray | Series],
     values: list | npt.NDArray | Series | None = ...,
     rownames: list[HashableT] | None = ...,
-    colnames: list[HashableT] | None = ...,
+    colnames: list[_HashableT2] | None = ...,
     aggfunc: str | np.ufunc | Callable[[Series], float] | None = ...,
     margins: bool = ...,
     margins_name: str = ...,

tests/test_pandas.py

@@ -398,11 +398,10 @@ def m2(x: pd.Series) -> int:
     )
     rownames: list[tuple] = [("b", 1)]
     colnames: list[tuple] = [("a",)]
-    # pyright can't figure out that these are hashable
     check(
         assert_type(
             pd.crosstab(a, b, colnames=colnames, rownames=rownames),
-            pd.DataFrame,  # pyright: ignore
+            pd.DataFrame,
         ),
         pd.DataFrame,
     )