code: def to_json_format(conf):
      '''Convert fields of a python dictionary to be dumped in json format'''
      if 'fmode' in conf:
          conf['fmode'] = oct(conf['fmode'])[-3:]
      if 'dmode' in conf:
          conf['dmode'] = oct(conf['dmode'])[-3:f to_json_format(conf):
      '''Convert fields of a python dictionary to be dumped in json format'''
      if 'fmode' in conf:
          conf['fmode'] = oct(conf['fmode'])[-3:]
      if 'dmode' in conf:
          conf['dmode'] = oct(conf['dmode'])[-3:]
docs: Convert fields of a python dictionary to be dumped in json format