Update app.py

app.py

@@ -10,7 +10,7 @@ openai.api_key = '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'
 user_contexts = {}
 
 def get_assistant_response(user_question, context):
-    context.append({"role": "user", "content": user_question+'Let's think step by step'})
+    context.append({"role": "user", "content": user_question+"Let's think step by step"})
     response = openai.ChatCompletion.create(
         model='gpt-3.5-turbo',
         messages=context,