Update app.py

app.py

@@ -6,7 +6,7 @@ openai.api_key ='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'
 
 def openai_chat(prompt):
     completions = openai.Completion.create(
-        engine="gpt-3.5-turbo-16k-0613",
+        engine="gpt-3.5-turbo-16k",
         prompt=prompt+"The following is the prompt from teacher working in canvas infrastructure",
         max_tokens=1024,
         temperature=0.5,