anchor.diff:    && echo 1
   
   # Curses upon you, astropy
  -RUN wget -O /opt/conda/lib/python3.7/site-packages/astropy/utils/iers/data/Leap_Second.dat \
  +RUN wget -O /opt/conda/lib/python3.9/site-packages/astropy/utils/iers/data/Leap_Second.dat \
       https://raw.githubusercontent.com/astropy/astropy/master/astropy/utils/iers/data/Leap_Second.dat \
       && rm $HOME/.wget-hsts
   
  
positive.code:     && make install INSTALL_DIR=/usr/local \
      && make clean \
      && (cd && PYTHONPATH=/usr/local/lib/python python3 -c "import astrometry; print(astrometry.__version__)") \
      && git describe && echo 0.87
  
  # Pip installs -- binary.  We need cython for the tractor.
  RUN for x in \
  
negative.code: FROM registry.services.nersc.gov/nersc/intel_cxx_fort_mpi_mkl_devel as builder
  
  RUN apt -y update && apt install -y apt-utils
  
  RUN DEBIAN_FRONTEND=noninteractive \
      apt install -y --no-install-recommends \
  