runing https://colab.research.google.com/notebooks/mlcc/first_steps_with_tensor_flow.ipynb?hl=zh-cn#scrollTo=gzb10yoVrydW on the ipythong notebook
/usr/local/lib/python2.7/dist-packages/pandas/core/computation/check.py:17: UserWarning: The installed version of numexpr 2.4.3 is not supported in pandas and will be not be used The minimum supported version is 2.4.6 ver=ver, min_ver=_MIN_NUMEXPR_VERSION), UserWarning)
just update the version
pip install numexpr --upgrade
