when i run keras_cnn_mel I get a error stating: **KeyError: '.\\input\\audio_train\\62e0d004.wav'** from this line: **batch_labels = [file_to_int[fpath] for fpath in batch_files]** 
when i run keras_cnn_mel I get a error stating:
KeyError: '.\input\audio_train\62e0d004.wav'
from this line:
batch_labels = [file_to_int[fpath] for fpath in batch_files]