Update app.py

app.py

@@ -35,7 +35,7 @@ def get_narrators( city , year):
     df = subset_city_year(city, year)
     narrators = edge_info[edge_info['Edge_ID'].isin(df['ID'])]
     fixed = narrators['Edge_Name'].reset_index()
-    return splitIsnad(fixed)
+    return splitIsnad(fixed)[['Teacher', 'Student']]
   except Exception as e:
     return str(e)