refer to NoSpecExecPlan in the right place after refactor
refer to NoSpecExecPlan in the right place after refactor

PYTHON-218

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