Fixes test failure

Author: shinchris

test/test_sort.py

@@ -58,7 +58,7 @@ def test_filter_in(self):
                                                        auth_token='j80k54ll2lfMZ0tv97mlPvvSCRyD0DOM',
                                                        content_type='text/xml')
 
-            self.assertEqual(resp.request.query, 'pagenumber=13&pagesize=13&filter=tags:in:[stocks,market]')
+            self.assertEqual(resp.request.query, 'pagenumber=13&pagesize=13&filter=tags:in:%5bstocks,market%5d')
 
     def test_sort_asc(self):
         with requests_mock.mock() as m: