anchor.diff:    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 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
  
positive.code:     && 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/
  
  ADD ./PhotoTest.ipynb /root/PhotoTest.ipynb
  ADD ./Pokemon.ipynb /root/Pokemon.ipynb
  
negative.code: 
  RUN hg clone https://hg.python.org/cpython -r v2.7.11
  RUN git clone https://github.com/dimart/pokemon_recognition.git
  RUN git clone https://github.com/Itseez/opencv.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
  
  