fix bug

app.py

@@ -12,7 +12,6 @@ import streamlit as st
 import altair as alt
 
 
-
 def get_gpx(filepath: str):
     data = open(filepath)
     xmldoc = minidom.parse(data)
@@ -216,11 +215,12 @@ def generate_height_profile_json(df: pd.DataFrame) -> str:
     )
     return chart
 
+
 file_name = st.file_uploader("Upload gpx file")
 
 if file_name is not None:
     ave_lat, ave_lon, lon_list, lat_list, h_list = get_gpx(file_name)
-    df = pd.DataFrame({"lon": lon_list, "lat": lat_list, "elev": h_list}))
+    df = pd.DataFrame({"lon": lon_list, "lat": lat_list, "elev": h_list})
     chart = generate_height_profile_json(df)
 
     st.altair_chart(c, use_container_width=True)