help :RuntimeError: number of dims don't match in permute

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I will report an error when using my own low-light dataset (.jpg). What is the reason for this problem? How to solve the problem? question：File "lowlight_test.py", line 30, in lowlight data_lowlight = data_lowlight.permute(2,0,1) #data_lowlight.permute(2,0,1) RuntimeError: number of dims don't match in permute