old_contents: from functools import wraps
  
  
  TESTS = []
  
  
  def greencard(func):
      """
      A decorator for providing a unittesting function/method with every card in
      a librarian card library database when it is called.
      """
      @wraps(func)
      def Wrapped(*args, **kwargs):
          """Transparent wrapper."""
          return func(*args, **kwargs)
      TESTS.append(Wrapped)
      return Wrapped
  
  
  def descovery():
      """
      Descover and load all greencard tests.
      """
      pass
  
  
  def main(clargs=None):
      """
      Command line entry point.
      """
      from argparse import ArgumentParser
      from librarian.library import Library
  
      parser = ArgumentParser(
          description="A test runner for each card in a librarian library.")
      parser.add_argument("library", help="Library database")
      args = parser.parse_args(clargs)
  
      descovery()
  
      lib = Library(args.library))
      failures = 0
  
      for card in library.retrieve_all():
          for test in TESTS:
              try:
                  test(card)
              except AssertionError:
                  print("{0} failed {1}".format(card, test.__name__))
                  failures += 1
      return failure
  
new_contents: from functools import wraps
  
  
  TESTS = []
  
  
  def greencard(func):
      """
      A decorator for providing a unittesting function/method with every card in
      a librarian card library database when it is called.
      """
      @wraps(func)
      def Wrapped(*args, **kwargs):
          """Transparent wrapper."""
          return func(*args, **kwargs)
      TESTS.append(Wrapped)
      return Wrapped
  
  
  def descovery():
      """
      Descover and load all greencard tests.
      """
      pass
  
  
  def main(clargs=None):
      """
      Command line entry point.
      """
      from argparse import ArgumentParser
      from librarian.library import Library
  
      parser = ArgumentParser(
          description="A test runner for each card in a librarian library.")
      parser.add_argument("library", help="Library database")
      args = parser.parse_args(clargs)
  
      descovery()
  
      lib = Library(args.library)
      failures = 0
  
      for card in library.retrieve_all():
          for test in TESTS:
              try:
                  test(card)
              except AssertionError:
                  print("{0} failed {1}".format(card, test.__name__))
                  failures += 1
      return failure
  
subject: Fix typo