Update app.py

app.py

@@ -12,13 +12,13 @@ edge_info = dataset.to_pandas()
 taraf_info = dataset2.to_pandas()
 cities = taraf_info['City'].unique().tolist()
 
-def subset_city_year( city = ['المدينه', 'بغداد', 'كوفة', 'بصرة'], year = 50):
+def subset_city_year( city , year ):
   edges = edge_info[(taraf_info['Year'] == year) & (taraf_info['City'].isin(city))]
   return edges
 
 
 
-def get_narrators( city =  ['المدينه', 'بغداد', 'كوفة', 'بصرة'], year = 50):
+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'})