diff --git a/runtests.py b/runtests.py
index ec6c0ca92..68cdefc70 100755
--- a/runtests.py
+++ b/runtests.py
@@ -131,4 +131,4 @@ if __name__ == "__main__":
         exit_on_failure(isort_main(ISORT_ARGS))
 
     if run_black:
-        exit_on_failure(black_main(BLACK_ARGS))
\ No newline at end of file
+        exit_on_failure(black_main(BLACK_ARGS))