code: def use_seq_num_diff_as_time_diff(
      self, use_seq_num_diff_as_time_diff
  ):
      self._use_seq_num_diff_as_time_diff = (
          use_seq_num_diff_as_time_diff
      )
  
file_path: ReAgent/reagent/training/rl_trainer_pytorch.py
imports: import logging
  from typing import Optional
  from reagent.core.parameters import RLParameters
label_desc: Use image node_id 8 for calling the RLTrainerMixin obj's underlying member method code with example usage: obj.use_seq_num_diff_as_time_diff(use_seq_num_diff_as_time_diff) without return types