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    ---
from idlelib.idle_test.mock_tk import Mbox
import module

orig_mbox = module.tkMessageBox
showerror = Mbox.showerror  # example, for attribute access in test methods

class Test(unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        module.tkMessageBox = Mbox

    @classmethod
    def tearDownClass(cls):
        module.tkMessageBox = orig_mbox
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