fix: pd.Series[bool] - pd.Series[bool]

tests/series/arithmetic/bool/test_sub.py

@@ -1,3 +1,5 @@
+from typing import cast
+
 import numpy as np
 from numpy import typing as npt  # noqa: F401
 import pandas as pd
@@ -124,14 +126,15 @@ def test_sub_pd_series() -> None:
     f = pd.Series([1.0, 2.0, 3.0])
     c = pd.Series([1.1j, 2.2j, 4.1j])
 
+    # In the following two cases, mypy fails to recognise the second operand as pd.Series[bool]
     if TYPE_CHECKING_INVALID_USAGE:
-        _ = left - b  # pyright: ignore[reportOperatorIssue]
+        _ = left - cast("pd.Series[bool]", b)  # type: ignore[redundant-cast,operator] # pyright: ignore[reportUnnecessaryCast,reportOperatorIssue]
     check(assert_type(left - i, "pd.Series[int]"), pd.Series, np.integer)
     check(assert_type(left - f, "pd.Series[float]"), pd.Series, np.floating)
     check(assert_type(left - c, "pd.Series[complex]"), pd.Series, np.complexfloating)
 
     if TYPE_CHECKING_INVALID_USAGE:
-        _ = b - left  # pyright: ignore[reportOperatorIssue]
+        _ = b - cast("pd.Series[bool]", left)  # type: ignore[redundant-cast,operator] # pyright: ignore[reportUnnecessaryCast,reportOperatorIssue]
     check(assert_type(i - left, "pd.Series[int]"), pd.Series, np.integer)
     check(assert_type(f - left, "pd.Series[float]"), pd.Series, np.floating)
     check(assert_type(c - left, "pd.Series[complex]"), pd.Series, np.complexfloating)