def before_update(self, mapper, connection, instance):

        return EXT_CONTINUE
Set the weight matrix of this graph. Requires as input a scipy sparse matrix with the
dataset/ETHPy150Open zzzeek/sqlalchemy/lib/sqlalchemy/orm/deprecated_interfaces.py/MapperExtension.before_update--crossover with--dataset/ETHPy150Open charanpald/APGL/apgl/graph/SparseGraph.py/SparseGraph.setWeightMatrixSparse