code: def close(self):
      self.__file.close()
  
file_path: pyalgotrade/pyalgotrade/tools/resample.py
imports: import os
  from pyalgotrade import dispatcher
  from pyalgotrade.dataseries import resampled
label_desc: Use image node_id 4 for calling the CSVFileWriter obj's underlying member method code with example usage: obj.close() without return types