AttributeError: 'av.data.stream.DataStream' object has no attribute 'decode' #1580

    for frame in container.decode():
                 ^^^^^^^^^^^^^^^^^^
  File "av/container/input.pyx", line 208, in decode
  File "av/packet.pyx", line 81, in av.packet.Packet.decode
AttributeError: 'av.data.stream.DataStream' object has no attribute 'decode'