class_docstr: Logger which flattens sub-dictionaries into the top level dict.
class_docstr_tok: ["Logger","which","flattens","sub-dictionaries","into","the","top","level","dict","."]
code: def close(self):
      self._logger.close()
  
imports: from typing import Sequence
  from acme.utils.loggers import base
label_desc: Use image node_id 3 for calling the FlattenDictLogger obj's underlying member method code with example usage: obj.close() without return types