ModuleNotFoundError: No module named 'mmcv.cnn.utils.sync_bn'

[Bai426]

Hi, there, I am facing on a problem for missing one library. I checked the mmcv and found there is no sync_bn.py. Please let me know how to handle this. Thank you very much!

Best,
Mike

[gofixyourself]

Hi Mike,

Please share information about your Python, PyTorch, and MMCV versions. This problem can be because of the wrong libs environment.

Sincerely,
Sofia

[sheros21]

Hi, I ran into this issue as well while trying to run the image_demo.py file. Here are the versions I'm using:
Python v3.8.16
Pytorch v2.0.1
MMCV v2.0.0

Let me know if there's anything else I can provide.

[annatelegina]

Hi! I have the same problem. Have you solved it?

[Deleted user]

Sorry, I didn't solve it but switched to other method.

…

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