Update app.py

app.py

@@ -30,7 +30,10 @@ narrator_bios.loc[49845, 'Number of Narrations'] = narrator_bios['Number of Narr
 
 
 def subset_city_year(city, year1, year2):
-  edges = taraf_info[(taraf_info['Year'] >= year1) & (taraf_info['City'].isin(city)) & (taraf_info['Year'] <= year2)]
+    if 'All' in city:
+        edges = taraf_info[(taraf_info['Year'] >= year1)  & (taraf_info['Year'] <= year2)]
+    else:
+        edges = taraf_info[(taraf_info['Year'] >= year1) & (taraf_info['City'].isin(city)) & (taraf_info['Year'] <= year2)]
   return edges
 
 def subset_year(year = 50):
@@ -60,7 +63,7 @@ def get_narrators( city , year1, year2):
 
 
 with gr.Blocks() as demo:
-  Places = gr.Dropdown(choices = cities, value = ['المدينه', 'بغداد', 'كوفة', 'بصرة'], multiselect=True, label = 'Location')
+  Places = gr.Dropdown(choices = cities + ['All'], value = ['المدينه', 'بغداد', 'كوفة', 'بصرة'], multiselect=True, label = 'Location')
   First_Year = gr.Slider(min_year, max_year, value = 10, label = 'Begining', info = 'Choose the first year to display Narrators')
   Last_Year = gr.Slider(min_year, max_year, value = 50, label = 'End', info = 'Choose the Last year to display Narrators')
   btn = gr.Button('Submit')