old_contents: # -*- coding: utf-8 -*-
  from __future__ import absolute_import, unicode_literals, division
  import six
  import json
  # import ujson as json
  from .base import Deserializer
  from armet import media_types
  
  
  class JSONDeserializer(Deserializer):
  
      media_types = media_types.JSON
  
      def deserialize(self, request=None, text=None, encoding='utf8'):
          if text is None:
              # Read in the text from the request.
              text = request.read()
  
          # Ensure the text is decoded.
          if isinstance(text, six.binary_type):
              text = text.decode(encoding)
  
          try:
              # Attempt to deserialize the text.
              return json.loads(text)
  
          except TypeError:
              # Failed; possibly null.
              raise ValueError
  
new_contents: # -*- coding: utf-8 -*-
  from __future__ import absolute_import, unicode_literals, division
  import six
  import ujson as json
  from .base import Deserializer
  from armet import media_types
  
  
  class JSONDeserializer(Deserializer):
  
      media_types = media_types.JSON
  
      def deserialize(self, request=None, text=None, encoding='utf8'):
          if text is None:
              # Read in the text from the request.
              text = request.read()
  
          # Ensure the text is decoded.
          if isinstance(text, six.binary_type):
              text = text.decode(encoding)
  
          try:
              # Attempt to deserialize the text.
              return json.loads(text)
  
          except TypeError:
              # Failed; possibly null.
              raise ValueError
  
subject: Use ujson for deserialization.