[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

digital_image_processing/morphological_operations/skeletonization_operation.py

@@ -148,7 +148,6 @@ def skeletonize_image(image: np.ndarray) -> np.ndarray:
     changing1 = changing2 = [(-1, -1)]
 
     while changing1 or changing2:
-
         # Step 1: Points to be removed in the first sub-iteration
         changing1 = []
         rows, cols = img.shape