anchor.diff:      && pip install scikit-image --upgrade \
       && rm -rf /root/cpython/.hg \
       && ln -s /usr/lib/python2.7/dist-packages/cv2.so /usr/local/lib/python2.7/site-packages/ \
  -    && cd /root/
  +    && cd /root/opencv/ \
  +    && git checkout 3.1.0 \
  +    && mkdir build \
  +    && cd build \
  +    && cmake -D WITH_FFMPEG=OFF ..\
  +    && make -j6 \
  +    && make install \
  +    && ldconfig \
  +    && cd /root
   
   ADD ./PhotoTest.ipynb /root/PhotoTest.ipynb
   ADD ./Pokemon.ipynb /root/Pokemon.ipynb
  
positive.code: 
  RUN hg clone https://hg.python.org/cpython -r v2.7.11
  RUN git clone https://github.com/dimart/pokemon_recognition.git
  
  # see http://stackoverflow.com/questions/22157184/strange-python-compilation-results-with-enable-shared-flag for LD_RUN_PATH logic with fixes bug related to --enable-shared below
  
  
negative.code:   apt-get -y upgrade && \
    apt-get install -y build-essential pkg-config apt-utils libncurses-dev libreadline-dev sqlite3 && \
    apt-get install -y git wget mercurial libssl-dev libfreetype6-dev libxft-dev libsqlite3-dev openssl && \
    apt-get install -y libjpeg-dev liblapack-dev gfortran python-opencv libbz2-dev && \
    apt-get install -y cmake libjpeg8-dev libtiff4-dev libjasper-dev libpng12-dev libgtk2.0-dev && \
    apt-get install -y libavcodec-dev libavformat-dev libswscale-dev libv4l-dev libatlas-base-dev gfortran
  
  # Set environment variables.
  ENV HOME /root
  