anchor.diff:      conda install -c conda-forge -y \
           lightgbm xgboost \
           && \
  +
  +    # Jupyter Notebook
  +    $PIP_INSTALL \
  +        yapf \
  +        jupyter \
  +        jupyter_contrib_nbextensions \
  +        jupyter_nbextensions_configurator \
  +        jedi==0.17.2 \
  +        parso==0.7.1 \
  +        nbconvert==5.6.1 \
  +        && \
  +    jupyter contrib nbextension install --user && \
  +    jupyter nbextension enable code_prettify/code_prettify && \
  +    jupyter nbextension enable collapsible_headings/main && \
  +    jupyter nbextension enable toggle_all_line_numbers/main && \
   
   # ==================================================================
   # OpenCV
  
positive.code:         seaborn \
          && \
  
      # Jupyter Notebook
      conda install -c conda-forge -y \
          jupyter \
          jupyter_contrib_nbextensions \
          jupyter_nbextensions_configurator \
          parso==0.8.1 \
          nbconvert==5.6.1 \
          && \
      jupyter contrib nbextension install --user && \
      jupyter nbextension enable code_prettify/code_prettify && \
      jupyter nbextension enable collapsible_headings/main && \
      jupyter nbextension enable toggle_all_line_numbers/main && \
  
  # ==================================================================
  # Tensorflow
  # ------------------------------------------------------------------
  
negative.code:         && \
  
      $PIP_INSTALL \
          # NLP
          zhconv \
          jieba \
          ckiptagger \
          iterative-stratification \
          && \
  
  