docstr: (for derived class) Clears the data in specified plot before new data is redrawn
docstr_tok: ["(","for","derived","class",")","Clears","the","data","in","specified","plot","before","new","data","is","redrawn"]
code: def clear_plot(self, stream_vis, clear_history):
      """(for derived class) Clears the data in specified plot before new data is redrawn"""
      pass
  
imports: import sys, time, threading, queue, functools
  from typing import Any
  from types import MethodType
  from abc import ABCMeta, abstractmethod
  from .lv_types import StreamVisInfo, StreamItem
  from .None import utils
  from .stream import Stream
label_desc: Use image node_id 9 for calling the VisBase obj's underlying member method code with example usage: obj.clear_plot(stream_vis, clear_history) without return types