text: from __future__ import division
  from libtbx import easy_run
  from time import time
  import libtbx.load_env
  
  def exercise_01():
    easy_run.call("phenix.fetch_pdb 5o61 -c")
    assert not easy_run.call("phenix.cablam 5o61.cif"), "For Chris to fix"
  
  if (__name__ == "__main__"):
    t0 = time()
    if (not libtbx.env.has_module(name="phenix")):
      print "Skipping: probe not configured"
    else:
      exercise_01()
    print "Time: %.2f" % (time() - t0)
    print "OK"
  