Update src/streamlit_app.py

src/streamlit_app.py

@@ -88,13 +88,20 @@ def anormal(df, col_name, warning, text_input, audio_base64):
     st.markdown(audio_html, unsafe_allow_html=True)
 
 # 서비스 실행
-selected_text = st.selectbox("데이터를 선택하세요", options)
+# 1. session_state 초기화 (앱이 처음 실행될 때만 작동)
+if 'selection' not in st.session_state:
+    st.session_state.selection = ""
 
-if selected_text == "":
+st.selectbox(
+    "진단할 데이터를 선택하세요:",
+    options=["", "2024-08-24", "2024-09-26"],
+    key='selection' # 이 key가 st.session_state.selection과 연결됩니다.
+)
+if st.session_state.selection == "":
     none_temp(placeholder)
-elif selected_text == "2024-09-26":
+elif st.session_state.selection == "2024-09-26":
     normal(placeholder, df, "ECU_DPFSoot")
-else:
+else: # "2024-08-24"
     audio_base64 = tts_engine(warning+" "+text_input)
     anormal(placeholder, df, "ECU_DPFSoot", warning, text_input, audio_base64)