old_contents: import os
  import pkg_resources
  import unittest
  
  from tangled.abcs import ACommand
  
  
  class TestCommand(ACommand):
  
      """A simple wrapper around Python's built-in unittest discovery.
  
      Displays a coverage report by default.
  
      I was having some problems with Nose and Python 3.3 namespace
      packages. Hopefully that will be fixed soon, and this can go
      away.
  
      """
  
      @classmethod
      def configure(cls, parser):
          parser.add_argument('--where', default=None)
          parser.add_argument(
              '--with-coverage', action='store_true', default=True)
          parser.add_argument('tests', nargs='*', default=None)
  
      def run(self):
          where = self.args.where
          if where is None:
              dist = next(pkg_resources.find_distributions('.'), True)
              where = os.path.join('.', *dist.project_name.split('.'))
  
          print('Running tests from {}'.format(where))
  
          with_coverage = self.args.with_coverage
          if with_coverage:
              import coverage
              cov = coverage.coverage(branch=True, source=[where])
              cov.start()
  
          loader = unittest.TestLoader()
          if self.args.tests:
              suite = loader.loadTestsFromNames(self.args.tests)
          else:
              suite = loader.discover(where)
  
          runner = unittest.TextTestRunner()
          runner.run(suite)
  
          if with_coverage:
              cov.stop()
              cov.report()
  
new_contents: import os
  import pkg_resources
  import unittest
  
  from tangled.abcs import ACommand
  
  
  class TestCommand(ACommand):
  
      """A simple wrapper around Python's built-in unittest discovery.
  
      Displays a coverage report by default.
  
      I was having some problems with Nose and Python 3.3 namespace
      packages. Hopefully that will be fixed soon, and this can go
      away.
  
      """
  
      @classmethod
      def configure(cls, parser):
          parser.add_argument('--where', default=None)
          parser.add_argument(
              '--no-coverage', dest='with_coverage', action='store_false',
              default=True)
          parser.add_argument('tests', nargs='*', default=None)
  
      def run(self):
          where = self.args.where
          if where is None:
              dist = next(pkg_resources.find_distributions('.'), True)
              where = os.path.join('.', *dist.project_name.split('.'))
  
          print('Running tests from {}'.format(where))
  
          with_coverage = self.args.with_coverage
          if with_coverage:
              import coverage
              cov = coverage.coverage(branch=True, source=[where])
              cov.start()
  
          loader = unittest.TestLoader()
          if self.args.tests:
              suite = loader.loadTestsFromNames(self.args.tests)
          else:
              suite = loader.discover(where)
  
          runner = unittest.TextTestRunner()
          runner.run(suite)
  
          if with_coverage:
              cov.stop()
              cov.report()
  
subject: Change --with-coverage to --no-coverage in test command