fix UnicodeDecodeError on Python 3.4.0
fix UnicodeDecodeError on Python 3.4.0

sathieu/stdeb,LeMeteore/stdeb,benthomasson/stdeb,benthomasson/stdeb,LeMeteore/stdeb,pombredanne/stdeb,LeMeteore/stdeb,benthomasson/stdeb,sathieu/stdeb,pombredanne/stdeb,sathieu/stdeb,pombredanne/stdeb,astraw/stdeb,astraw/stdeb,astraw/stdeb