code: def dump(stream=None):
      
      if stream:
          stream.write(dumps())
      else:
          path = os.path.join(os.path.dirname(insights.__file__), _filename)
          with open(path, "wu") as f:
              f.write(dumps())
docs: Dumps a string representation of `FILTERS` to a stream, normally an
      open file. If none is passed, `FILTERS` is dumped to a default location
      within the project.