Update app.py

app.py

@@ -26,7 +26,7 @@ def get_narrators( city , year):
   try:
     df = subset_city_year(city, year)
     narrators = edge_info[edge_info['Edge_ID'].isin(df['ID'])]
-    return narrators['Edge_Name'].reset_index().drop('index', axis = 1).rename(columns = {'Edge_Name': 'Teacher To Student'})
+    return narrators['Edge_Name'].reset_index().rename(columns = {'Edge_Name': 'Teacher To Student'})
   except Exception as e:
     return str(e)