anchor.diff:  
   # The anaconda base image includes outdated versions of these packages. Update them to include the latest version.
   RUN pip install seaborn python-dateutil dask && \
  -    pip install pyyaml joblib pytagcloud husl geopy ml_metrics mne pyshp && \
  +    pip install pyyaml joblib husl geopy ml_metrics mne pyshp && \
       pip install pandas && \
       # Install h2o from source.
       # Use `conda install -c h2oai h2o` once Python 3.7 version is released to conda.
  
positive.code:     pip install xgboost && \
      # Pinned to match GPU version. Update version together.
      pip install lightgbm==2.3.1 && \
      pip install git+git://github.com/Lasagne/Lasagne.git && \
      pip install keras && \
      pip install keras-tuner && \
      pip install flake8 && \
      #neon
      cd /usr/local/src && \
      git clone --depth 1 https://github.com/NervanaSystems/neon.git && \
      cd neon && pip install . && \
      #nolearn
      pip install nolearn && \
      pip install Theano && \
      pip install pybrain && \
      pip install python-Levenshtein && \
      pip install hep_ml && \
      # chainer
      pip install chainer && \
      # NLTK Project datasets
      mkdir -p /usr/share/nltk_data && \
  
negative.code:     pip install markovify && \
      pip install imgaug && \
      pip install preprocessing && \
      pip install path.py && \
      pip install Geohash && \
      # https://github.com/vinsci/geohash/issues/4
  