Update backend/query_llm.py

backend/query_llm.py

@@ -106,17 +106,14 @@ def generate_hf(prompt: str, history: str, temperature: float = 0.5, max_new_tok
             return "I do not know what happened, but I couldn't understand you."
 
 def generate_qwen(formatted_prompt: str, history: str):
-    stream = client.predict(
+    response = client.predict(
                     query=formatted_prompt,
                     history=[],
                     system="You are a helpful assistant.", 
                     api_name="/model_chat"
                 )
-    print('Response:',stream)
-    output = ""
-    for response in stream:
-        output += response.token.text
-        yield output
+    print('Response:',response)
+    
     return output
     #return response[1][0][1]