anchor.diff:                                      jupyter_contrib_nbextensions \
                                       traits \
                                       pandas \
  -                                    matplotlib \
  +                                    matplotlib=2.1.2 \
                                       scikit-learn \
                                       seaborn \
                                       nbformat \
  
positive.code: # pull request on our GitHub repository:
  #     https://github.com/kaczmarj/neurodocker
  #
  # Timestamp: 2018-03-06 20:03:10
  
  FROM neurodebian:stretch-non-free
  
  
negative.code:     \n      ] \
      \n    ] \
      \n  ], \
      \n  "generation_timestamp": "2018-03-07 04:57:59", \
      \n  "neurodocker_version": "0.3.2" \
      \n}' > /neurodocker/neurodocker_specs.json
  