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

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

Author: pre-commit-ci[bot]

strings/check_pangram.py

@@ -1,7 +1,6 @@
 import doctest
 
 
-
 def check_pangram(input_str: str) -> bool:
     """
     Check if a string is a pangram (contains every letter of the alphabet).
@@ -17,4 +16,3 @@ def check_pangram(input_str: str) -> bool:
 
 if __name__ == "__main__":
     doctest.testmod()
-