IkaEngine: Python 2.7 compatibility
IkaEngine: Python 2.7 compatibility

Signed-off-by: Takeshi HASEGAWA <80595b5c49522665976d35e515d02ac963124d00@gmail.com>

kshimo69/IkaLog,mzsm/IkaLog,hrhtspr/IkaLog,hasegaw/IkaLog,hasegaw/IkaLog,deathmetalland/IkaLog,hasegaw/IkaLog,deathmetalland/IkaLog,deathmetalland/IkaLog