问题：
python examples/web_demo/app.py -h
Traceback (most recent call last): File "examples/web_demo/app.py", line 18, in <module> import caffe
ImportError: No module named caffe
解决：
sudo vim ~/.bashrc
export PYTHONPATH=/opt/caffe-master/python:$PYTHONPATH
source ~/.bashrc
问题：
caffe-master$ python examples/web_demo/app.py -h Traceback (most recent call last): File "examples/web_demo/app.py", line 18, in <module> import caffe File "/opt/caffe-master/python/caffe/__init__.py", line 1, in <module> from .pycaffe import Net, SGDSolver, NesterovSolver, AdaGradSolver, RMSPropSolver, AdaDeltaSolver, AdamSolver File "/opt/caffe-master/python/caffe/pycaffe.py", line 13, in <module> from ._caffe import Net, SGDSolver, NesterovSolver, AdaGradSolver, \ ImportError: No module named _caffe
解决：
