Division by zero fix

lostplaces/lostplaces_app/models.py

@@ -29,7 +29,7 @@ class Voucher(models.Model):
     Creation date is being set automatically during voucher creation. 
     """
 
-    code = models.CharField(unique=True, max_length=10)
+    code = models.CharField(unique=True, max_length=30)
     created = models.DateTimeField(auto_now_add=True)
     expires = models.DateField()
 
@@ -60,8 +60,8 @@ class Place (models.Model):
     def average_latlon(place_list):
         amount = len(place_list)
         # Init fill values to prevent None
-        longitude = 0
-        latitude = 0
+        longitude = 1
+        latitude = 1
     
         for place in place_list:
             longitude += place.longitude