Update app.py

app.py

@@ -48,8 +48,6 @@ def chat_with_solar(user_question, history, api_key):
 # -----------------------------
 # 🖥️ Streamlit UI 영역
 # -----------------------------
-today = datetime.now().strftime("%Y-%m-%d")
-filename= f"{today}_studynote.txt"
 
 st.set_page_config(page_title="Decision Tree Chatbot Activity", layout="wide")
 
@@ -111,6 +109,8 @@ with col2:
         st.info(f"예시 질문: '{random.choice(sample_questions)}'")
 
     if notes:
+        today = datetime.now().strftime("%Y-%m-%d")
+        filename = f"{today}_studynote.txt"
         st.download_button(
             label="📥 메모 다운로드(txt)",
             data=notes,