old_contents: import pytest
  from thefuck.rules.fab_command_not_found import match, get_new_command
  from tests.utils import Command
  
  stderr = '''
  Warning: Command(s) not found:
      extenson
      deloyp
  '''
  stdout = '''
  Available commands:
  
      update_config
      prepare_extension
      Template               A string class for supporting $-substitutions.
      deploy
      glob                   Return a list of paths matching a pathname pattern.
      install_web
      set_version
  '''
  
  
  @pytest.mark.parametrize('command', [
      Command('fab extenson', stderr=stderr),
      Command('fab deloyp', stderr=stderr),
      Command('fab extenson deloyp', stderr=stderr)])
  def test_match(command):
      assert match(command)
  
  
  @pytest.mark.parametrize('command', [
      Command('gulp extenson', stderr=stderr),
      Command('fab deloyp')])
  def test_not_match(command):
      assert not match(command)
  
  
  @pytest.mark.parametrize('script, result', [
      ('fab extenson', 'fab prepare_extension'),
      ('fab extenson:version=2016',
       'fab prepare_extension:version=2016'),
      ('fab extenson:version=2016 install_web set_version:val=0.5.0',
       'fab prepare_extension:version=2016 install_web set_version:val=0.5.0'),
      ('fab extenson:version=2016 deloyp:beta=true -H the.fuck',
       'fab prepare_extension:version=2016 deploy:beta=true -H the.fuck'),
  ])
  def test_get_new_command(script, result):
      command = Command(script, stdout,stderr)
      assert get_new_command(command) == result
  
new_contents: import pytest
  from thefuck.rules.fab_command_not_found import match, get_new_command
  from tests.utils import Command
  
  stderr = '''
  Warning: Command(s) not found:
      extenson
      deloyp
  '''
  stdout = '''
  Available commands:
  
      update_config
      prepare_extension
      Template               A string class for supporting $-substitutions.
      deploy
      glob                   Return a list of paths matching a pathname pattern.
      install_web
      set_version
  '''
  
  
  @pytest.mark.parametrize('command', [
      Command('fab extenson', stderr=stderr),
      Command('fab deloyp', stderr=stderr),
      Command('fab extenson deloyp', stderr=stderr)])
  def test_match(command):
      assert match(command)
  
  
  @pytest.mark.parametrize('command', [
      Command('gulp extenson', stderr=stderr),
      Command('fab deloyp')])
  def test_not_match(command):
      assert not match(command)
  
  
  @pytest.mark.parametrize('script, result', [
      ('fab extenson', 'fab prepare_extension'),
      ('fab extenson:version=2016',
       'fab prepare_extension:version=2016'),
      ('fab extenson:version=2016 install_web set_version:val=0.5.0',
       'fab prepare_extension:version=2016 install_web set_version:val=0.5.0'),
      ('fab extenson:version=2016 deloyp:beta=true -H the.fuck',
       'fab prepare_extension:version=2016 deploy:beta=true -H the.fuck'),
  ])
  def test_get_new_command(script, result):
      command = Command(script, stdout, stderr)
      assert get_new_command(command) == result
  
subject: Fix flake8 errors: E231 missing whitespace after ','