anchor.diff:                  scipy>=0.14.0 \
                   scikit-image>=0.10.0
   
  +
  +# Build python-manpik, which don't have release mangement, good luck!
  +RUN         set -x \
  +            && git clone https://github.com/mapnik/python-mapnik python-mapnik \
  +            && cd python-mapnik \
  +            && git checkout ${PYTHON_MAPNIK_VERSION} \
  +            && python setup.py install
  +
   # Cleanup and remove develop packages
   RUN         set -x \
               && apt-get -yq remove ${DEVELOP_PACKAGES} \
  
positive.code:             && apt-get -yq install libwebp-dev \
              && rm -rf /var/lib/apt/lists/* \
              && rm -rf ${BUILD_DIR}
  
  
  #
  # Patch gdal data files, see:
  
negative.code:                 python-scipy \
                  python-pylibmc \
                  python-matplotlib \
                  python-skimage \
                  python-gdal
  
  ENV         DEVELOP_PACKAGES \
  