Update BrainBot.py

BrainBot.py

@@ -89,7 +89,7 @@ with col3:
                     "Content-Type": "application/json"
                 }
                 if openai_api_key:
-                    response = requests.post(FASTAPI_URL, json=data)
+                    response = requests.post(FASTAPI_URL, json=data, headers=headers)
                     st.sidebar.success(response.text)
                     st.session_state['api_key_flag'] = True
                     st.experimental_rerun()