text: import os
  import shutil
  
  from ..utils import Spinner
  from ..utils import read_package_configuration
  
  
  def remove_file(path):
      try:
          os.remove(path)
      except FileNotFoundError:
          pass
  
  def do_clean(_parser, _args, _mys_config):
      read_package_configuration()
  
      with Spinner(text='Cleaning'):
          shutil.rmtree('build', ignore_errors=True)
          shutil.rmtree('coverage', ignore_errors=True)
          remove_file('.coverage')
          remove_file('.mys-coverage.txt')
  
  
  def add_subparser(subparsers):
      subparser = subparsers.add_parser(
          'clean',
          description='Remove build output.')
      subparser.set_defaults(func=do_clean)
  