Update app.py

app.py

@@ -15,14 +15,14 @@ pn.extension('vega')
 events={}
 nations = ['Italy','England','Germany','France','Spain','European_Championship','World_Cup']
 for nation in nations:
-    with open('./events_%s.json' %nation) as json_data:
+    with open('events/events_%s.json' %nation) as json_data:
         events[nation] = json.load(json_data)
         
 # loading the match data
 matches={}
 nations = ['Italy','England','Germany','France','Spain','European_Championship','World_Cup']
 for nation in nations:
-    with open('./matches_%s.json' %nation) as json_data:
+    with open('matches/matches_%s.json' %nation) as json_data:
         matches[nation] = json.load(json_data)
 
 # loading the players data