anchor.diff:      # yellowbrick machine learning visualization library
       pip install yellowbrick && \
       pip install mlcrate && \
  +    pip install opencv-python && \
  +    pip install pyarrow && \
  +    cd /usr/local/src && git clone --depth=1 https://github.com/fastai/fastai && \
  +    cd fastai && python setup.py install && \
       # clean up pip cache
       rm -rf /root/.cache/pip/* && \
       # Required to display Altair charts in Jupyter notebook
  
positive.code:     #cd /usr/lib/x86_64-linux-gnu/ && rm -f libboost_python.a && rm -f libboost_python.so && \
      #ln -sf libboost_python-py34.so libboost_python.so && ln -sf libboost_python-py34.a libboost_python.a && \
      #pip install vowpalwabbit && \
      pip install seaborn python-dateutil dask pytagcloud pyyaml joblib \
      husl geopy ml_metrics mne pyshp gensim && \
      conda install -y -c conda-forge spacy && python -m spacy download en && \
  
negative.code:     pip install pydash && \
      pip install kmodes && \
      pip install librosa && \
      pip install polyglot && \
      pip install mmh3 && \
      pip install fbpca && \
  