Merge branch 'ssanderson-py3-json'

Author: shin-

docker/client.py

@@ -169,6 +169,8 @@ def _stream_helper(self, response, decode=False):
                 if reader._fp.chunk_left:
                     data += reader.read(reader._fp.chunk_left)
                 if decode:
+                    if six.PY3:
+                        data = data.decode('utf-8')
                     data = json.loads(data)
                 yield data
         else: