@classmethod
    def setupClass(cls):
        global np
        global npt
        try:
            import numpy as np
            import numpy.testing as npt

        except __HOLE__:
             raise SkipTest('NumPy not available.')
dataset/ETHPy150Open gkno/gkno_launcher/src/networkx/algorithms/assortativity/tests/test_mixing.py/TestAttributeMixingMatrix.setupClass