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

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

Author: pre-commit-ci[bot]

mypy/main.py

@@ -411,7 +411,7 @@ def _print_message(self, message: str, file: SupportsWrite[str] | None = None) -
         if message:
             if file is None:
                 file = self.stderr
-            print(message, file=file, end='')
+            print(message, file=file, end="")
 
     # ===============
     # Exiting methods