Update src/array_api_extra/_lib/_utils/_helpers.py

Co-authored-by: Lucas Colley <lucas.colley8@gmail.com>

Author: crusaderky

src/array_api_extra/_lib/_utils/_helpers.py

@@ -105,6 +105,7 @@ def is_python_scalar(x: object) -> TypeIs[complex]:  # numpydoc ignore=PR01,RT01
     """Return True if `x` is a Python scalar, False otherwise."""
     # isinstance(x, float) returns True for np.float64
     # isinstance(x, complex) returns True for np.complex128
+    # bool is a subclass of int
     return isinstance(x, int | float | complex) and not is_numpy_array(x)