解决问题：ImportError: cannot import name gpuarray

• 报错1：
  
• 报错2：
  
• 解决办法：
• 我刚刚碰到这个和其他一些类似的错误。看来PIP中Theano的稳定版本会阻止各种错误，使您认为您的CUDA/NVIDIA或甚至PYGPU安装已损坏。
• "I just ran into this and some other similar errors. It appears the stable version of Theano in pip will barf all kinds of errors making you think your cuda / nvidia or even the pygpu install is broken. "
• sudo pip install -U git+https://github.com/Theano/Theano.git#egg=Theano
• 参考：https://github.com/Theano/libgpuarray/issues/393