old_contents: import imp
  
  import nose.failure
  import nose.loader
  import nose.plugins
  import nose.selector
  import nose.suite
  import nose.util
  
  class ScriptLoader(nose.plugins.Plugin):
      """Load tests from scripts that may not have a .py extension."""
  
      def options(self, parser, env):
          return nose.plugins.Plugin.options(self, parser, env)
  
      def configure(self, options, conf):
          return nose.plugins.Plugin.configure(self, options, conf)
  
      def prepareTestLoader(self, loader):
          """Save the *loader*.
  
          This instance will be used later by :meth:`loadTestsFromFile` if
          necessary.
          """
          self.loader = loader
  
      def loadTestsFromFile(self, filename):
          """Load tests from *filename*.
  
          Attempt to load the file using :func:`imp.load_source`. If that
          succeeds, pass the loaded module to the :attr:`loader`
          :meth:`loadTestsFromModule`. If the file can't be loaded, return None
          so other plugins can try loading it.
          """
          try:
              module = imp.load_source("module", filename)
          except SyntaxError:
              return None
  
          return self.loader.loadTestsFromModule(module)
      
      def loadTestsFromName(self, name, module=None, discovered=False):
          """Load tests from the entity with the given *name*.
  
          Attempt to loa
          """
          addr = nose.selector.TestAddress(name, workingDir=self.loader.workingDir)
          path = addr.filename
          if not path:
              return self.loader.loadTestsFromName(name, module=module, discovered=discovered)
  
          module = getpackage(path)
          if module is None:
              try:
                  module = imp.load_source("module", path)
              except SyntaxError:
                  return
  
          suite = self.loader.suiteClass
          if addr.call:
              name = addr.call
          parent, obj = self.loader.resolve(name, module)
          if (nose.util.isclass(parent)
                  and getattr(parent, '__module__', None) != module.__name__):
              parent = nose.util.transplant_class(parent, module.__name__)
              obj = getattr(parent, obj.__name__)
          if isinstance(obj, nose.failure.Failure):
              return suite([obj])
          else:
              return suite(nose.suite.ContextList([self.loader.makeTest(obj, parent)],
                  context=parent))
  
new_contents: import imp
  
  import nose.failure
  import nose.loader
  import nose.plugins
  import nose.selector
  import nose.suite
  import nose.util
  
  class ScriptLoader(nose.plugins.Plugin):
      """Load tests from scripts that may not have a .py extension."""
  
      def options(self, parser, env):
          return nose.plugins.Plugin.options(self, parser, env)
  
      def configure(self, options, conf):
          return nose.plugins.Plugin.configure(self, options, conf)
  
      def prepareTestLoader(self, loader):
          """Save the *loader*.
  
          This instance will be used later by :meth:`loadTestsFromFile` if
          necessary.
          """
          self.loader = loader
  
      def loadTestsFromFile(self, filename):
          """Load tests from *filename*.
  
          Attempt to load the file using :func:`imp.load_source`. If that
          succeeds, pass the loaded module to the :attr:`loader`
          :meth:`loadTestsFromModule`. If the file can't be loaded, return None
          so other plugins can try loading it.
          """
          try:
              module = imp.load_source("module", filename)
          except SyntaxError:
              return None
  
          return self.loader.loadTestsFromModule(module)
      
      def loadTestsFromName(self, name, module=None, discovered=False):
          """Load tests from the entity with the given *name*.
  
          If *name* is a filename, attempt to load it using
          :func:`imp.load_source`. If that succeeds, search for a matching name in
          the loaded module.
          """
          addr = nose.selector.TestAddress(name, workingDir=self.loader.workingDir)
          path = addr.filename
          if not path:
              return self.loader.loadTestsFromName(name, module=module, discovered=discovered)
  
          module = getpackage(path)
          if module is None:
              try:
                  module = imp.load_source("module", path)
              except SyntaxError:
                  return
  
          suite = self.loader.suiteClass
          if addr.call:
              name = addr.call
          parent, obj = self.loader.resolve(name, module)
          if (nose.util.isclass(parent)
                  and getattr(parent, '__module__', None) != module.__name__):
              parent = nose.util.transplant_class(parent, module.__name__)
              obj = getattr(parent, obj.__name__)
          if isinstance(obj, nose.failure.Failure):
              return suite([obj])
          else:
              return suite(nose.suite.ContextList([self.loader.makeTest(obj, parent)],
                  context=parent))
  
subject: Fix docstring.