ParamUnittest failure when unittest's skip is used (subclassing)

sub_example.py

import unittest
from paramunittest import *


@parametrized(
    ('1', '2'),
)
class TestFoo(ParametrizedTestCase):
    def setParameters(self, a, b):
        self.a = a
        self.b = b

    def testLess(self):
        self.assertLess(self.a, self.b)


class TestBar(TestFoo):
    pass