In the VisionTransformer class, the default act_layer is None . If we do not provide it - this will lead to a TypeError in MLP because none of the classes (Block , MLP , or VisionTransformer ) handle this case. Obvious error message: TypeError: ‘NoneType’ object is not callable

Pytorch-Image models

mohitb1i June 11, 2025, 8:20am 5

No it is a vision-transformer code from hugging face,
original repo

1 Like

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