Update chain_app.py

chain_app.py

@@ -995,6 +995,18 @@ async def main(message: cl.Message):
             elements=elements,
         ).send()
 
+    elif chat_profile == 'Qwen2-57B':
+        result = client.predict(
+		query=message.content,
+		history=[],
+		system="You are a helpful AI chatbot made by two iranian boys named Artin Daneshvar and Sadra Noadoust",
+		api_name="/model_chat"
+        )
+
+        await cl.Message(
+            content=result
+        ).send()
+
     elif chat_profile == 'Llama-3.1-405B':        
         client = InferenceClient(
             "meta-llama/Meta-Llama-3.1-405B-Instruct",