@@ -438,8 +438,8 @@ class Preferences:
438438 """parse (base64) preferences from request (``flask.request.form['preferences']``)"""
439439 decoded_data = decompress(urlsafe_b64decode(input_data.encode()))
440440 dict_data = {}
441− for x, y in parse_qs(decoded_data).items():
442− dict_data[x.decode()] = y[0].decode()
441+ for x, y in parse_qs(decoded_data.decode()).items():
442+ dict_data[x] = y[0]
443443 self.parse_dict(dict_data)
444444
445445 def parse_dict(self, input_data):