code: def send_dict(*args, **kwargs):
      
      if not _module_instance:
          raise GraphiteSendException(
              "Must call graphitesend.init() before sending")
      _module_instance.send_dict(*args, **kwargs)
      return _module_instance
docs: Make sure that we have an instance of the GraphiteClient.
      Then send the metrics to the graphite server.
      User consumable method.