old_contents: #!/usr/bin/env python2.7
  # -*- coding: utf-8 -*-
  
  import logging
  from numpy import RankWarning
  from warnings import simplefilter
  
  from .cannon_instance import \
      CannonInstance, \
      CannonInstanceWithContinuumNormalisation, \
      CannonInstanceWithRunningMeanNormalisation
  
  from .cannon_instance_release_2018_01_09_1 import \
      CannonInstance_2018_01_09
  
  __version__ = "0.1.0"
  
  logger = logging.getLogger(__name__)
  logger.setLevel(logging.INFO)  # TODO: Remove this when stable.
  
  handler = logging.StreamHandler()
  handler.setFormatter(logging.Formatter("%(asctime)s [%(levelname)-8s] %(message)s"))
  logger.addHandler(handler)
  
  simplefilter("ignore", RankWarning)
  simplefilter("ignore", RuntimeWarning)
  
  
  
new_contents: #!/usr/bin/env python2.7
  # -*- coding: utf-8 -*-
  
  import logging
  from numpy import RankWarning
  from warnings import simplefilter
  
  #from .cannon_instance import \
  #    CannonInstance, \
  #    CannonInstanceWithContinuumNormalisation, \
  #    CannonInstanceWithRunningMeanNormalisation
  
  CannonInstance = CannonInstanceWithContinuumNormalisation = CannonInstanceWithRunningMeanNormalisation = None
  
  from .cannon_instance_release_2018_01_09_1 import \
      CannonInstance_2018_01_09
  
  __version__ = "0.1.0"
  
  logger = logging.getLogger(__name__)
  logger.setLevel(logging.INFO)  # TODO: Remove this when stable.
  
  handler = logging.StreamHandler()
  handler.setFormatter(logging.Formatter("%(asctime)s [%(levelname)-8s] %(message)s"))
  logger.addHandler(handler)
  
  simplefilter("ignore", RankWarning)
  simplefilter("ignore", RuntimeWarning)
  
  
  
subject: Tweak to remove dependency on new Cannon