Local thickness wrapper

qim3d/processing/local_thickness.py

@@ -4,8 +4,9 @@ import numpy as np
 import matplotlib.pyplot as plt
 from skimage.filters import threshold_otsu
 from qim3d.io.logger import log
+from typing import Optional
 
-def local_thickness(image, scale=1., mask=None):
+def local_thickness(image: np.ndarray, scale: float = 1, mask: Optional[np.ndarray] = None) -> np.ndarray:
     """Wrapper for the local thickness function from the localthickness package* (https://github.com/vedranaa/local-thickness)
 
     Args: