Learn.export() failing "PicklingError: Can't pickle <function <lambda> at 0x7f60e83e6bf8>: attribute lookup <lambda> on __main__ failed"

[muellerzr (Zachary Mueller)]

As said many times on the forums, you can’t pickle lambda functions

A quick search with your exact thread title brought this up:

Problems using learn.export(): "PicklingError: Can't pickle <function <lambda>"

Having issues trying to export a binary segmentation model using fastai’s .export() method. The model is similar to the CAMVID segmentation presented in 2019 course. Has anyone encountered this error using .export()? Are there any other options for inference? [Screen Shot 2020-09-09 at 12.24.51 am]