ParallelGraph: Remove reference to self.have_subset_data.
ParallelGraph: Remove reference to self.have_subset_data.

marinkaz/orange3,cheral/orange3,marinkaz/orange3,qPCR4vir/orange3,marinkaz/orange3,cheral/orange3,cheral/orange3,kwikadi/orange3,qPCR4vir/orange3,qPCR4vir/orange3,cheral/orange3,kwikadi/orange3,marinkaz/orange3,kwikadi/orange3,qPCR4vir/orange3,marinkaz/orange3,kwikadi/orange3,kwikadi/orange3,qPCR4vir/orange3,marinkaz/orange3,qPCR4vir/orange3,kwikadi/orange3,cheral/orange3,cheral/orange3