fix format

app.py

@@ -12,10 +12,10 @@ ids_list = list(map(str, ids.tolist()))
 ratings = pd.read_csv('ratings.csv')
 
 def top5(user):
+    user = int(user)
     items = pd.Series(learn.dls.classes['title']).unique()
     
     clas_items = ratings.loc[(ratings['user'] == user) & (ratings['rating'] > 0), 'title']
-    
     no_clas_items = np.setdiff1d(items, clas_items)
 
     df = pd.DataFrame({'user': [user]*len(no_clas_items), 'title': no_clas_items})