Fix doctest unicode issue in Python 2.7
Fix doctest unicode issue in Python 2.7

pvtodorov/indra,johnbachman/indra,sorgerlab/indra,pvtodorov/indra,sorgerlab/indra,bgyori/indra,pvtodorov/indra,sorgerlab/belpy,bgyori/indra,pvtodorov/indra,bgyori/indra,sorgerlab/belpy,johnbachman/belpy,johnbachman/belpy,johnbachman/belpy,johnbachman/indra,johnbachman/indra,sorgerlab/belpy,sorgerlab/indra