_______________ TestQuantityToCompact.test_nonnumeric_magnitudes _______________

self = <pint.testsuite.test_quantity.TestQuantityToCompact object at 0x7f2082fda7b0>

    def test_nonnumeric_magnitudes(self):
        ureg = self.ureg
        x = "some string" * ureg.m
>       with pytest.warns(RuntimeWarning):
E       TypeError: Warning must be str or Warning, got <class 'RuntimeWarning'> (type type)

pint/testsuite/test_quantity.py:756: TypeError