code: def clear_trace_filter_cache():
      '''
      Clear the trace filter cache.
      Call this after reloading.
      '''
      global should_trace_hook
      try:
          # Need to temporarily disable a hook because otherwise
          # _filename_to_ignored_lines.clear() will never complete.
          old_hook = should_trace_hook
          should_trace_hook = None
  
          # Clear the linecache
          linecache.clearcache()
          _filename_to_ignored_lines.clear()
  
      finally:
          should_trace_hook = old_hoof clear_trace_filter_cache():
      '''
      Clear the trace filter cache.
      Call this after reloading.
      '''
      global should_trace_hook
      try:
          # Need to temporarily disable a hook because otherwise
          # _filename_to_ignored_lines.clear() will never complete.
          old_hook = should_trace_hook
          should_trace_hook = None
  
          # Clear the linecache
          linecache.clearcache()
          _filename_to_ignored_lines.clear()
  
      finally:
          should_trace_hook = old_hook
docs: Clear the trace filter cache.
      Call this after reloading.