docstr: Remove all state associated with a sequence from the inference engine.
  
  Arguments:
      uid (int): The UID of the sequence to flush.
docstr_tok: ["Remove","all","state","associated","with","a","sequence","from","the","inference","engine",".","Arguments",":","uid","(","int",")",":","The","UID","of","the","sequence","to","flush","."]
code: def flush(self, uid: int) -> None:
      """
      Remove all state associated with a sequence from the inference engine.
  
      Arguments:
          uid (int): The UID of the sequence to flush.
      """
      self._state_manager.flush_sequence(uid)
  
imports: import os
  import json
  import pickle
  from typing import Iterable, Tuple
  import torch
  import deepspeed.comm
  from deepspeed.accelerator import get_accelerator
  from deepspeed.comm.comm import init_distributed
  from .model_implementations import InferenceV2Policy
  from .logging import inference_logger
  from .ragged import DSStateManager, RaggedBatchWrapper, PlaceholderSequenceDescriptor
  from .scheduling_utils import SchedulingError, SchedulingResult
  from .model_implementations.flat_model_helpers import make_param_filename, make_metadata_filename
  from .model_implementations.inference_model_base import DSInferenceModelBase
  from .config_v2 import RaggedInferenceEngineConfig
label_desc: Use image node_id 9 for calling the InferenceEngineV2 obj's underlying member method code with example usage: obj.flush(uid) without return types