AttributeError: module 'transformers' has no attribute 'AdamW'

[ljvin]

Traceback (most recent call last):
File "C:/Users/Dell/Desktop/medical_knowledge_graph_app-master-master/med_kg/MedModel/chatbot_graph.py", line 8, in
from question_classifier import *
File "C:\Users\Dell\Desktop\medical_knowledge_graph_app-master-master\med_kg\MedModel\question_classifier.py", line 9, in
from util.nlp_ner import el
File "C:\Users\Dell\Desktop\medical_knowledge_graph_app-master-master\med_kg\util\nlp_ner.py", line 2, in
from sentence_transformers import SentenceTransformer, util
File "C:\Users\Dell.conda\envs\xt\lib\site-packages\sentence_transformers_init_.py", line 3, in
from .datasets import SentencesDataset, ParallelSentencesDataset
File "C:\Users\Dell.conda\envs\xt\lib\site-packages\sentence_transformers\datasets_init_.py", line 3, in
from .ParallelSentencesDataset import ParallelSentencesDataset
File "C:\Users\Dell.conda\envs\xt\lib\site-packages\sentence_transformers\datasets\ParallelSentencesDataset.py", line 4, in
from .. import SentenceTransformer
File "C:\Users\Dell.conda\envs\xt\lib\site-packages\sentence_transformers\SentenceTransformer.py", line 33, in
class SentenceTransformer(nn.Sequential):
File "C:\Users\Dell.conda\envs\xt\lib\site-packages\sentence_transformers\SentenceTransformer.py", line 562, in SentenceTransformer
optimizer_class: Type[Optimizer] = transformers.AdamW,
AttributeError: module 'transformers' has no attribute 'AdamW'
transformers版本都是对应的