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

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

Author: pre-commit-ci[bot]

maths/special_numbers/disarium_number.py

@@ -30,6 +30,9 @@ def is_disarium(num: int) -> bool:
         position += 1
 
     return total == num
+
+
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()