code: def sample_order(self, epoch: int) -> Sequence[int]:
      raise NotImplemented()
  
file_path: ffcv/ffcv/traversal_order/base.py
imports: from abc import ABC, abstractmethod
  from typing import Sequence
  from ..reader import Reader
  from typing import TYPE_CHECKING
label_desc: Use image node_id 2 for calling the TraversalOrder obj's underlying member method code with example usage: obj.sample_order(epoch) without return types