update chatglm_llm.py

models/chatglm_llm.py

@@ -72,14 +72,14 @@ class ChatGLM(LLM):
         response, _ = self.model.chat(
             self.tokenizer,
             prompt,
-            history=self.history[-self.history_len:] if self.history_len>0 else [],
+            history=self.history[-self.history_len:] if self.history_len > 0 else [],
             max_length=self.max_token,
             temperature=self.temperature,
         )
         torch_gc()
         if stop is not None:
             response = enforce_stop_tokens(response, stop)
-        self.history = self.history+[[None, response]]
+        self.history = self.history + [[None, response]]
         return response
 
     def chat(self,
@@ -87,12 +87,12 @@ class ChatGLM(LLM):
         response, _ = self.model.chat(
             self.tokenizer,
             prompt,
-            history=[],#self.history[-self.history_len:] if self.history_len>0 else 
+            history=self.history[-self.history_len:] if self.history_len > 0 else [],
             max_length=self.max_token,
             temperature=self.temperature,
         )
         torch_gc()
-        self.history = self.history+[[None, response]]
+        self.history = self.history + [[None, response]]
         return response
 
     def load_model(self,
@@ -159,7 +159,8 @@ class ChatGLM(LLM):
                         new_prefix_state_dict[k[len("transformer.prefix_encoder."):]] = v
                 self.model.transformer.prefix_encoder.load_state_dict(new_prefix_state_dict)
                 self.model.transformer.prefix_encoder.float()
-            except Exception:
+            except Exception as e:
+                print(e)
                 print("加载PrefixEncoder模型参数失败")
 
         self.model = self.model.eval()