stop using np.bool in knife_edge.py

src/toolbox_scs/base/knife_edge.py

@@ -148,7 +148,7 @@ def arrays_to1d(arrX: np.ndarray, arrY: np.ndarray):
 def range_mask(array, minimum=None, maximum=None):
     """Retrieve the resulting array from the given minimum and maximum
     """
-    default = np.ones(array.shape, dtype=np.bool)
+    default = np.ones(array.shape, dtype=bool)
     min_slice, max_slice = default, default
     if minimum is not None:
         if minimum > np.nanmax(array):