anchor.diff:  RUN cd $HOME && nuc_data_make
   
   RUN cd $HOME/opt/pyne/tests \
  -    && ./travis-run-tests.sh python2 \
  +    && ./travis-run-tests.sh python3 \
       && echo "PyNE build complete. PyNE can be rebuilt with the alias 'build_pyne' executed from $HOME/opt/pyne"
  
positive.code: # put MOAB on the path
  ENV LD_LIBRARY_PATH $HOME/opt/moab/lib:$LD_LIBRARY_PATH
  ENV LIBRARY_PATH $HOME/opt/moab/lib:$LIBRARY_PATH
  ENV PYTHONPATH=$HOME/opt/moab/lib/python2.7/site-packages/
  
  RUN cd /root \
      && git clone https://github.com/svalinn/DAGMC.git \
      && cd DAGMC \
      && git checkout develop \
      && mkdir bld \
      && cd bld \
      && cmake .. -DMOAB_DIR=$HOME/opt/moab \
                -DBUILD_STATIC_LIBS=OFF \
                -DCMAKE_INSTALL_PREFIX=$HOME/opt/dagmc \
      && make \
      && make install \
      && cd ../.. \
      && rm -rf DAGMC
  
  
  # Install PyNE
  
negative.code:     software-properties-common wget
  
  # pyne specific dependencies (excluding python libraries)
  RUN apt-get install -y build-essential git cmake gfortran libblas-dev \
                         python3-pip liblapack-dev libeigen3-dev libhdf5-dev \
                         libpython3-dev python3-dev libhdf5-serial-dev hdf5-tools
  
  # need to put libhdf5.so on LD_LIBRARY_PATH
  ENV LD_LIBRARY_PATH /usr/lib/x86_64-linux-gnu
  ENV LIBRARY_PATH /usr/lib/x86_64-linux-gnu
  
  # switch to python 3
  RUN update-alternatives --install /usr/bin/python python /usr/bin/python3 10; \
      update-alternatives --install /usr/bin/pip pip /usr/bin/pip3 10;
  
  # upgrade pip and install python dependencies
  ENV PATH $HOME/.local/bin:$PATH
  