BoundStatement copies graph_options from PreparedStatement.
BoundStatement copies graph_options from PreparedStatement.

stef1927/python-driver,thobbs/python-driver,datastax/python-driver,vipjml/python-driver,kishkaru/python-driver,coldeasy/python-driver,kishkaru/python-driver,mambocab/python-driver,markflorisson/python-driver,vipjml/python-driver,thelastpickle/python-driver,thobbs/python-driver,thelastpickle/python-driver,coldeasy/python-driver,markflorisson/python-driver,mambocab/python-driver,datastax/python-driver,stef1927/python-driver