code: def del_resource(self, service_name, resource_name, base_class=None):
          
           # Unlike ``get_resource``, this should be fire & forget.
          # We don't really care, as long as it's not in the cache any longer.
          try:
              classpath = self.build_classpath(base_class)
              opts = self.services[service_name]['resources'][resource_name]
              del opts[classpath]
          except KeyError:
              pass
docs: Deletes a resource class for a given service.
  
          Fails silently if no connection is found in the cache.
  
          :param service_name: The service a given ``Resource`` talks to. Ex.
              ``sqs``, ``sns``, ``dynamodb``, etc.
          :type service_name: string
  
          :param base_class: (Optional) The base class of the object. Prevents
              "magically" loading the wrong class (one with a different base).
              Default is ``default``.
          :type base_class: class