more hints

Author: arw2019

pandas/core/missing.py

@@ -299,9 +299,9 @@ def interpolate_1d(
 
 
 def _interpolate_scipy_wrapper(
- x,
- y,
- new_x,
+ x: np.ndarray,
+ y: np.ndarray,
+ new_x: Union[Scalar, np.ndarray],
  method: Optional[str],
  fill_value: Optional[Scalar] = None,
  bounds_error: bool = False,