code: def __init__(
      self,
      stream_name: str,
      devices: Sequence[str] = None,
      event_name: str = "",
      expr: str = None,
      throttle: float = None,
      vis_args: VisArgs = None,
  ):
      self.event_name = event_name
      self.expr = expr
      self.stream_name = stream_name or str(uuid.uuid4())
      self.devices = devices
      self.vis_args = vis_args
  
      # max throughput n Lenovo P50 laptop for MNIST
      # text console -> 0.1s
      # matplotlib line graph -> 0.5s
      self.throttle = throttle
  
imports: from typing import List, Callable, Any, Sequence, Hashable
  from .None import utils
  import uuid
label_desc: Use image node_id 1 to create a new StreamCreateRequest object  with example: obj = StreamCreateRequest(stream_name, devices, event_name, expr, throttle, vis_args)