class_docstr: Recorder wrapper (specification key: `recorder`).
  
  Args:
      fn_act (callable[states -> actions]): Act-function mapping states to actions which is
          supposed to be recorded.
class_docstr_tok: ["Recorder","wrapper","(","specification","key",":","`","recorder","`",")",".","Args",":","fn_act","(","callable","[","states","-",">","actions","]",")",":","Act-function","mapping","states","to","actions","which","is","supposed","to","be","recorded","."]
code: def close(self):
      pass
  
file_path: tensorforce/tensorforce/agents/recorder.py
imports: import os
  from collections import OrderedDict
  import numpy
  from tensorforce import TensorforceError, util
  from tensorforce.core import ArrayDict, ListDict, TensorSpec, TensorsSpec
label_desc: Use image node_id 3 for calling the Recorder obj's underlying member method code with example usage: obj.close() without return types