class_docstr: Client class for using Courier RPCs.
  
  This provides a convenience wrapper around the CLIF bindings which allows
  calling server methods as if they were class methods.
class_docstr_tok: ["Client","class","for","using","Courier","RPCs",".","This","provides","a","convenience","wrapper","around","the","CLIF","bindings","which","allows","calling","server","methods","as","if","they","were","class","methods","."]
code: def __call__(self, *args, **kwargs):
      return self._build_handler("__call__")(*args, **kwargs)
  
imports: from concurrent import futures
  import datetime
  from typing import List, Optional, Union
  import zoneinfo
  from courier.python import py_client
  import numpy
  from pybind11_abseil.status import StatusNotOk
  from pybind11_abseil.status import StatusNotOk
label_desc: Use image node_id 8 for calling the Client obj's underlying member method code with example usage: obj.__call__() and returns: self