https://colab.research.google.com/drive/1SQjJit6PbyzUORm8owi0fxi2X5F2LJ5L
Here is the link of my notebook please check it once at the end part
Key error arises because " photo = encoding_train[key+".jpg" ]" because keys in the encoding_train does not contain .jpg at end. Load_set error arises, because you have not declared load_set function.