def __init__(self, owner):
        super(ComboRefreshTimer, self).__init__()
        self.setSingleShot(True)
        self.owner = owner
Check that input is a scipy sparse matrix and raise warning otherwise.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/qt_object_combo.py/ComboRefreshTimer.__init__--crossover with--dataset/ETHPy150Open ibayer/fastFM/fastFM/validation.py/_check_matrix_is_sparse