class_docstr: Stream caller.
class_docstr_tok: ["Stream","caller","."]
code: def async_stream_call(
      self, model_name: str, request_data: List
  ) -> any:
      nps = []
      for item in request_data:
          nps.extend(type_util.to_numpy_data(item))
      infers = self.gen_inputs(nps, "INPUT")
  
      # call model
      self._client.async_stream_infer(model_name, infers)
  
file_path: towhee/towhee/serve/triton/bls/caller/local_caller.py
imports: from typing import List
  import queue
  from towhee.serve.triton.bls.utils import type_util
  from towhee.serve.triton.bls.mock import mock_triton_client
  from towhee.utils.tritonclient_utils import np_to_triton_dtype
label_desc: Use image node_id 2 for calling the LocalStreamCaller obj's underlying member method code with example usage: obj.async_stream_call(model_name, request_data) without return types