Add missing doc for get_video_backend (pytorch#3643)

Co-authored-by: Nicolas Hug <contact@nicolas-hug.com> Co-authored-by: Nicolas Hug <nicolashug@fb.com>
lfz · Apr 7, 2021 · e79a74e · e79a74e
1 parent 9e5edbd
commit e79a74e
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/torchvision/__init__.py b/torchvision/__init__.py
@@ -85,6 +85,13 @@ def set_video_backend(backend):
 
 
 def get_video_backend():
+    """
+    Returns the currently active video backend used to decode videos.
+
+    Returns:
+        str: Name of the video backend. one of {'pyav', 'video_reader'}.
+    """
+
     return _video_backend