[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

@@ -11,7 +11,9 @@ def check_pangram(input_str: str) -> bool:
     >>> check_pangram("")
     False
     """
-    return {c for c in input_str.lower() if c.isalpha()} == set("abcdefghijklmnopqrstuvwxyz")
+    return {c for c in input_str.lower() if c.isalpha()} == set(
+        "abcdefghijklmnopqrstuvwxyz"
+    )
 
 
 if __name__ == "__main__":