old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  """Implements example simulation model which can be run from the command line
  
  Arguments
  =========
  raininess : int
      Sets the amount of rain
  
  """
  
  from argparse import ArgumentParser
  from . water_supply import ExampleWaterSupplySimulation
  
  
  def argparse():
      parser = ArgumentParser()
      parser.add_argument("--raininess",
                          type=int,
                          help="Sets the amount of rain")
      return parser.parse_args()
  
  
  def main():
      args = argparse()
      water_supply = ExampleWaterSupplySimulation(args.raininess)
      results = water_supply.simulate()
      for key, val in results.items():
          print("{},{}".format(key, val))
  
  
  if __name__ == '__main__':
      main()
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  """Implements example simulation model which can be run from the command line
  
  Arguments
  =========
  raininess : int
      Sets the amount of rain
  
  """
  
  from argparse import ArgumentParser
  from water_supply import ExampleWaterSupplySimulation
  
  
  def argparse():
      parser = ArgumentParser()
      parser.add_argument("--raininess",
                          type=int,
                          help="Sets the amount of rain")
      return parser.parse_args()
  
  
  def main():
      args = argparse()
      water_supply = ExampleWaterSupplySimulation(args.raininess)
      results = water_supply.simulate()
      for key, val in results.items():
          print("{},{}".format(key, val))
  
  
  if __name__ == '__main__':
      main()
  
subject: Revert "Used relative import for water_supply fixture"