Update app.py

app.py

@@ -11,7 +11,7 @@ ccms_db_loc = 'ccms.db'
 ccms_db = SQLDatabase.from_uri(f"sqlite:///{ccms_db_loc}")
 
 gpt4 = ChatOpenAI(
-    model_name=model_gpt4,
+    model_name='gpt-4',
     api_key=creds["openai_api_key"],
     temperature=0
 )