docs: def get_local_filepath(filename):
      """
      Helper for finding our raw SQL files locally.
  
      Expects files to be in:
          $SOCORRO_PATH/socorrolib/external/postgresql/raw_sql/procs/
      """
      procs_dir = os.path.normpath(os.path.join(
          __file__,
          '../../',
          'external/postgresql/raw_sql/procs'
      ))
      return os.path.join(procs_dir, filename)