anchor.diff:      ACCEPT_INTEL_PYTHON_EULA=yes
   
   # Installing precomputed python packages
  -RUN conda config --add channels intel && \
  +RUN conda config --add channels intel conda-forge && \
       conda config --set always_yes yes --set changeps1 no && \
       conda update -q conda && \
       conda install -y mkl=2017.0.1 \
  
positive.code: ENV C3DPATH=/opt/c3d/ \
      PATH=$C3DPATH/bin:$PATH
  
  # Install some other required tools
  ENV apt-get install -y --no-install-recommends \
                      unzip \
                      apt-utils \
                      fusefat \
                      graphviz \
                      make \
                      ruby && \
      rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  
negative.code:                      libxml2=2.9.4 \
                       libxslt=1.1.29 \
                       traits=4.6.0 \
                       psutil=5.0.1 \
                       icu=58.1 &&  \
      chmod +x /usr/local/miniconda/bin/* && \
      conda clean --all -y
  
  # matplotlib cleanups: set default backend, precaching fonts
  RUN sed -i 's/\(backend *: \).*$/\1Agg/g' /usr/local/miniconda/lib/python2.7/site-packages/matplotlib/mpl-data/matplotlibrc && \
      python -c "from matplotlib import font_manager"
  
  # Unless otherwise specified each process should only use one thread - nipype
  # will handle parallelization
  