Don't save shapes with keyframe==False

cvat/apps/annotation/cvat.py

@@ -398,6 +398,7 @@ def load(file_object, annotations):
                         shape['points'].extend(map(float, pair.split(',')))
 
                 if track is not None:
+                    if shape["keyframe"]:
                         track.shapes.append(annotations.TrackedShape(**shape))
                 else:
                     annotations.add_shape(annotations.LabeledShape(**shape))