avoid useless formatting operations when we know at compile time that the result is a Unicode string
avoid useless formatting operations when we know at compile time that the result is a Unicode string

ChristopherHogan/cython,ChristopherHogan/cython,scoder/cython,c-blake/cython,cython/cython,scoder/cython,da-woods/cython,c-blake/cython,fabianrost84/cython,scoder/cython,fabianrost84/cython,da-woods/cython,fabianrost84/cython,fabianrost84/cython,cython/cython,scoder/cython,c-blake/cython,c-blake/cython,c-blake/cython,cython/cython,da-woods/cython,fabianrost84/cython,da-woods/cython,cython/cython,ChristopherHogan/cython