Update app.py

app.py

@@ -7,7 +7,7 @@ api_key = os.environ.get("API_KEY", "API_KEY")
 openai.api_key = api_key
 
 # Set up the GPT-3.5-Turbo model
-model_engine = "gpt-turbo-3.5" # engine parameter used to specify the GPT-3.5-Turbo model
+model_engine = "gpt-3.5-turbo" # engine parameter used to specify the GPT-3.5-Turbo model
 max_tokens = 1000
 temperature = 0.7