fix problem about chunk_interval

zhaomingwork

2023-05-06 eb6c31aeddfa1840b9de2aebec652c5ea8795948

 funasr/train/abs_model.py

@@ -1,8 +1,6 @@
from abc import ABC
from abc import abstractmethod
from typing import Tuple

import torch

from typing import Dict
from typing import Optional