anchor.diff:      && cd /src/legacypipe/py \
       && ln -s /src/legacyzpts/py/legacyzpts .
   
  -RUN pip3 install zmq
  -
  -#RUN cd /src/legacypipe && git pull && echo 1
  +# up!
  +RUN cd /src/legacypipe && git pull && echo 1
  
positive.code:     && cd qdo \
      && python3 setup.py install
  
  # Technically we could delete everything in /src at this point...
  
  # python = python3
  RUN ln -s /usr/bin/python3 /usr/bin/python
  
  
negative.code:     matplotlib \
      astropy \
      photutils \
      zmq \
      ; do pip3 install $x; done \
      && rm -Rf /root/.cache/pip
  
  