code: def pre_run_code_hook(self):
      """Executed before running the (prefiltered) code in IPython"""
      return None
  
imports: import os
  import subprocess
  import warnings
  import sys
  from IPython.core.error import TryNext
  import tempfile
label_desc: Use image node_id 8 for calling a global function with example usage: pre_run_code_hook() and returns: None