update to transformers

eval.py

@@ -1,4 +1,4 @@
-import pytorch_transformers
+import transformers
 import torch
 import os
 import json
@@ -65,7 +65,7 @@ def main():
 
     os.environ["CUDA_VISIBLE_DEVICES"] = args.device  # 此处设置程序使用哪些显卡
 
-    model_config = pytorch_transformers.modeling_gpt2.GPT2Config.from_json_file(args.model_config)
+    model_config = transformers.modeling_gpt2.GPT2Config.from_json_file(args.model_config)
     print('config:\n' + model_config.to_json_string())
 
     n_ctx = model_config.n_ctx
@@ -97,7 +97,7 @@ def main():
         print('you need to specify a trained model.')
         exit(1)
     else:
-        model = pytorch_transformers.modeling_gpt2.GPT2LMHeadModel.from_pretrained(args.pretrained_model)
+        model = transformers.modeling_gpt2.GPT2LMHeadModel.from_pretrained(args.pretrained_model)
     model.eval()
     model.to(device)