Update app.py

Accidentally forgot a comma.

app.py

@@ -115,7 +115,7 @@ model = HfApiModel(
 max_tokens=2096,
 temperature=0.5,
 # model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
-model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 
+model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud',
 custom_role_conversions=None,
 )