remove todo from exception message
remove todo from exception message

not linking because there's no good way to link to latest

coldeasy/python-driver,vipjml/python-driver,datastax/python-driver,stef1927/python-driver,datastax/python-driver,thelastpickle/python-driver,stef1927/python-driver,vipjml/python-driver,mambocab/python-driver,coldeasy/python-driver,thelastpickle/python-driver,mambocab/python-driver