Update app.py

app.py

@@ -35,8 +35,10 @@ def call_openai_api(user_prompt):
                     {"role": "system", "content": "You are a research assistant. Provide factual short answers to your prompts. The user will provide reference data followed by instructions."},
                     {"role": "user", "content": f"{text}\n\n{user_prompt}"},
                 ]
-            )
-            return response.choices[0].message['content']
+           )
+            ai_response = response.choices[0].message['content']
+            chat_history += f"\nUser: {user_prompt}\nAI: {ai_response}"
+            return chat_history
         except Exception as e:
             if attempt < max_retries - 1:  # if it's not the last attempt
                 time.sleep(1)  # wait for 1 seconds before retrying