code: def clear_image_data(self):
      visual_debugger_keys = self.redis_client.keys(
          f"{config['visual_debugger']['redis_key_prefix']}*"
      )
  
      for key in visual_debugger_keys:
          self.redis_client.delete(key.decode("utf-8"))
  
file_path: SerpentAI/serpent/visual_debugger/visual_debugger.py
imports: from redis import StrictRedis
  import skimage.io
  import numpy
  import pickle
  import itertools
  from serpent.config import config
label_desc: Use image node_id 5 for calling the VisualDebugger obj's underlying member method code with example usage: obj.clear_image_data() without return types