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直接复制一份 sudo cp /usr/bin/python2.7 /usr/bin/python

害我折腾了半天，##ck! 问题出在cryptography模块的安装上，我们来看错误信息 Running setup.py (path:/tmp/pip_build_root/cryptography/setup.py) egg_info for package cryptography error in cryptography setup command: Invalid e

from keras import backend as K K.clear_session() 在model.predict()之后添加上述代码即可 参考https://stackoverflow.com/questions/57426984/cannot-interpret-feed-dict-key-as-tensor-tensor-tensorplaceholder0-shape ...