def setVariable(self, variable):
        self.variable = variable
        self.updateVariableString()
Create a PySparseGraph with a given AbstractVertexList or number of 
dataset/ETHPy150Open VisTrails/VisTrails/contrib/cdat/cdat_window.py/QDefinedVariableItem.setVariable--crossover with--dataset/ETHPy150Open charanpald/APGL/apgl/graph/PySparseGraph.py/PySparseGraph.__init__