anchor.diff:      make altinstall && \
       cd - && \
       /usr/local/bin/python2.7 get-pip.py && \
  -    rm -rfv Python-*
  +    rm -rfv Python-* \
  +    rm -fv `find /usr/local/lib -name "*.pyc"` && \
  +    rm -fv `find /usr/local/lib -name "*.pyo"`
   
   
   # Python 3.3.6
  
positive.code:                    tar \
                     wget \
                     git \
                     subversion
  
  
  # Download get-pip.py
  
negative.code:     make altinstall && \
      cd - && \
      /usr/local/bin/python3.5 get-pip.py && \
      rm -rfv Python-* \
      rm -fv `find /usr/local/lib -name "*.pyc"` && \
      rm -fv `find /usr/local/lib -name "*.pyo"`
  
  
  # Install tox
  #
  RUN /usr/local/bin/pip3.4 install tox
  
  
  # Reduce size of Docker image
  
  
  USER developer
  