Update app.py

app.py

@@ -96,7 +96,7 @@ def main():
     station_name = st.text_input("Station name", "溜池山王")
     max_time = st.slider("Max travel time (min)", 10, 60, 30, 10)
     step = st.selectbox("Time step (min)", [5, 10, 15], index=1)
-    if st.button("Generate Map"]):
+    if st.button("Generate Map"):
         with st.spinner("Calculating…"):
             stations = fetch_station_data(station_name, max_time)
             if stations.empty: