fix len

cvat-ai · Sep 15, 2020 · b72fd19 · b72fd19
1 parent 5016c5b
commit b72fd19
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cvat/apps/engine/media_extractors.py b/cvat/apps/engine/media_extractors.py
@@ -70,7 +70,7 @@ def get_image_size(self, i):
         pass
 
     def __len__(self):
-        return (self._stop - self._start) // self._step
+        return len(self.frame_range)
 
     @property
     def frame_range(self):