code: def clear_old_errors():
      global previously_seen_error_locations
      previously_seen_error_locations = set()
  
file_path: CellProfiler/src/frontend/cellprofiler/gui/errordialog.py
imports: import functools
  import io
  import logging
  import os
  import platform
  import sys
  import traceback
  import urllib
  import urllib.parse
  import urllib.request
  from urllib.error import HTTPError, URLError
  from urllib.request import urlopen
  from cellprofiler_core.preferences import get_headless
label_desc: Use image node_id 1 for calling a global function with example usage: clear_old_errors() without return types