anchor.diff:  RUN apt-get update && \
       apt-get install -y software-properties-common && \
       apt-get update && \
  -    add-apt-repository ppa:jonathonf/python-2.7 && \
  +    add-apt-repository ppa:deadsnakes/ppa && \
       apt-get update && \
  -    apt-get install -y python2.7 python2.7-dev
  +    apt-get install -y python3.6 python3.6-dev && \
  +    curl https://bootstrap.pypa.io/get-pip.py | python3.6
   
  -RUN wget https://bootstrap.pypa.io/get-pip.py && \
  -    python get-pip.py
  -
  -RUN pip install --upgrade pip
  +RUN pip3 install --upgrade pip
   
   # Get neurodebian config
   RUN curl -sSL http://neuro.debian.net/lists/stretch.us-tn.full >> /etc/apt/sources.list.d/neurodebian.sources.list && \
  
positive.code: RUN mkdir /outputs && \
      chmod -R 777 /outputs
  
  RUN git clone -b dev-dmri-fmri $NDMG_URL /ndmg && \
      cd /ndmg && \
      python setup.py install
  
  RUN mkdir /ndmg_atlases
  
  
negative.code: RUN chmod -R 777 /usr/local/bin/ndmg_bids
  
  # and add it as an entrypoint
  ENTRYPOINT ["ndmg_bids"]