869e396eb5
... because the prefix is no longer printed in Python 3.
In python 2
>>> print({u'foo': u'baa'})
{u'foo': u'baa'}
>>> print([u'foo', 'baa'])
[u'foo', 'baa']
In python 3
>>> print({u'foo': u'baa'})
{'foo': 'baa'}
>>> print([u'foo', 'baa'])
['foo', 'baa']
Change-Id: I8f4adab5d7c6c8730d08f9311c55783ea719527f