Python2 fails with unicode_literals

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# -*- coding: utf-8 -*-
from __future__ import unicode_literals

import unittest
from teamcity.unittestpy import TeamcityTestRunner

class TestSample(unittest.TestCase):
    def test_sample1(self):
        """ sample1 サンプル"""
        self.assertTrue(True)

if __name__ == '__main__':
    unittest.main(testRunner=TeamcityTestRunner())

https://youtrack.jetbrains.com/issue/PY-35491

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Please also see https://youtrack.jetbrains.com/issue/PY-35466