Update app.py

app.py

@@ -32,15 +32,16 @@ def llm_infer(endpoint_id, messages, ak, sk, agent_network_output=True):
 def respond(message, history, ep, sp, ak, sk,intimacy_stage):
     if intimacy_stage is not None:
         stage, define=intimacy_stage.split('##')
+        _sp=sp.format(
+                    stage=stage,
+                    define=define
+                )
     else:
         "", history
     messages = [
             {
                 'role':'system',
-                'content':sp.format(
-                    stage=stage,
-                    define=define
-                )
+                'content':_sp
             },
         ]
     for part in history: