Fix linter error

Author: prabhat00155

torchvision/io/video_reader.py

@@ -3,6 +3,7 @@
 import torch
 
 from ..utils import _log_api_usage_once
+
 try:
     from ._load_gpu_decoder import _HAS_GPU_VIDEO_DECODER
 except ModuleNotFoundError:
@@ -16,6 +17,7 @@
     def _has_video_opt() -> bool:
         return True
 
+
 else:
 
     def _has_video_opt() -> bool: