code: def clear_plot(self, stream_vis, clear_history):
      self.df = self.df.iloc[0:0]
  
file_path: tensorwatch/tensorwatch/text_vis.py
imports: from .None import utils
  from .vis_base import VisBase
label_desc: Use image node_id 6 for calling the TextVis obj's underlying member method code with example usage: obj.clear_plot(stream_vis, clear_history) without return types