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

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

Author: pre-commit-ci[bot]

monai/data/video_dataset.py

@@ -145,7 +145,7 @@ def get_frame(self) -> Any:
             cap = self._get_cap()
             ret, frame = cap.read()
             cap.release()
-        else:   
+        else:
             ret, frame = self._get_cap().read()
         if not ret:
             raise RuntimeError("Failed to read frame.")