UnboundLocalError: local variable 'arrays' referenced before assignment
File "/home/hadoop/.conda/envs/pepper-py3/lib/python3.5/site-packages/keras/engine/training.py", line 125, in _standardize_input_data
array = arrays[i]
UnboundLocalError: local variable 'arrays' referenced before assignment
https://stackoverflow.com/questions/46999519/keras-model-fit-unboundlocalerror#
这是Keras中的一个bug。
方法一：
修改模型输入
原因：You are required to pass an numpy array. In first case it's a data frame while in case 2 it's a numpy array.
方法二：
改keras的库的内容：
我用了方法一，成功解决这个问题。