code: def clear_plot(self, stream_vis, clear_history):
      for row in range(stream_vis.rows):
          for col in range(stream_vis.cols):
              img = stream_vis.ax_imgs[row][col]
              if img:
                  x, y = img.get_size()
                  img.set_data(np.zeros((x, y)))
  
file_path: tensorwatch/tensorwatch/mpl/image_plot.py
imports: from .base_mpl_plot import BaseMplPlot
  from ..None import utils, image_utils
  import numpy
label_desc: Use image node_id 2 for calling the ImagePlot obj's underlying member method code with example usage: obj.clear_plot(stream_vis, clear_history) without return types