changed locatoinGroupId to check for None instead of empty string

Author: allmightyspiff

SoftLayer/managers/ordering.py

@@ -343,7 +343,7 @@ def get_price_id_list(self, package_keyname, item_keynames):
             # can take that ID and create the proper price for us in the location
             # in which the order is made
             price_id = [p['id'] for p in matching_item['prices']
-                        if p['locationGroupId'] == ''][0]
+                        if p['locationGroupId'] is None][0]
             prices.append(price_id)
 
         return prices