Update app.py

app.py

@@ -18,7 +18,7 @@ def subset_city_year( city , year ):
 
 
 
-def get_narrators( city =  , year ):
+def get_narrators( city , year ):
   df = subset_city_year(year, city)
   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'})