fix loss normalization for ddp training

haoneng.lhn

2023-12-08 ace42e5043be992c3a324fc637ba0594f10ad3b6

 funasr/tasks/whisper.py

@@ -76,7 +76,7 @@
from funasr.models.specaug.specaug import SpecAugLFR
from funasr.modules.subsampling import Conv1dSubsampling
from funasr.tasks.abs_task import AbsTask
from funasr.text.phoneme_tokenizer import g2p_choices
from funasr.tokenizer.phoneme_tokenizer import g2p_choices
from funasr.torch_utils.initialize import initialize
from funasr.models.base_model import FunASRModel
from funasr.train.class_choices import ClassChoices