Get flow between frames ref and other

[qtct]

flows_list = [flow.view(b, n, 2, h // (2 ** (i)), w // (2 ** (i))) for flow, i in zip(flows, range(3))] RuntimeError: shape '[4, 7, 2, 64, 64]' is invalid for input of size 8192

In the get_ref_flows function of bsrt.py，I had such a problem without any modification,what's wrong,thanks for your response.