How to use data parallel in Bert

File “/content/drive/My Drive/DuplicateBugFinder/proposed.py”, line 62, in forward
bert_long = self.bert_pro(bert_long)
/nn/functional.py", line 1688, in linear
if input.dim() == 2 and bias is not None:
TypeError: ‘int’ object is not callable

I do not know what wrong with my code, can you help me thanks