old_contents: from .enabled import EnabledExtensionManager
  
  
  class NamedExtensionManager(EnabledExtensionManager):
      """Loads only the named extensions.
  
      This is useful for explictly enabling extensions in a
      configuration file, for example.
  
      :param namespace: The namespace for the entry points.
      :type namespace: str
      :param name: The names of the extensions to load.
      :type name: str
      :param invoke_on_load: Boolean controlling whether to invoke the
          object returned by the entry point after the driver is loaded.
      :type invoke_on_load: bool
      :param invoke_args: Positional arguments to pass when invoking
          the object returned by the entry point. Only used if invoke_on_load
          is True.
      :type invoke_args: tuple
      :param invoke_kwds: Named arguments to pass when invoking
          the object returned by the entry point. Only used if invoke_on_load
          is True.
      :type invoke_kwds: dict
      """
  
      def __init__(self, namespace, names,
                   invoke_on_load=False, invoke_args=(), invoke_kwds={}):
          def check(ep):
              return ep.name in names
          super(NamedExtensionManager, self).__init__(
              namespace,
              check,
              invoke_on_load=invoke_on_load,
              invoke_args=invoke_args,
              invoke_kwds=invoke_kwds,
              )
  
new_contents: from .enabled import EnabledExtensionManager
  
  
  class NamedExtensionManager(EnabledExtensionManager):
      """Loads only the named extensions.
  
      This is useful for explictly enabling extensions in a
      configuration file, for example.
  
      :param namespace: The namespace for the entry points.
      :type namespace: str
      :param names: The names of the extensions to load.
      :type names: str
      :param invoke_on_load: Boolean controlling whether to invoke the
          object returned by the entry point after the driver is loaded.
      :type invoke_on_load: bool
      :param invoke_args: Positional arguments to pass when invoking
          the object returned by the entry point. Only used if invoke_on_load
          is True.
      :type invoke_args: tuple
      :param invoke_kwds: Named arguments to pass when invoking
          the object returned by the entry point. Only used if invoke_on_load
          is True.
      :type invoke_kwds: dict
      """
  
      def __init__(self, namespace, names,
                   invoke_on_load=False, invoke_args=(), invoke_kwds={}):
          def check(ep):
              return ep.name in names
          super(NamedExtensionManager, self).__init__(
              namespace,
              check,
              invoke_on_load=invoke_on_load,
              invoke_args=invoke_args,
              invoke_kwds=invoke_kwds,
              )
  
subject: fix typo in docstring