import threading
import unittest

def recurse():
    return recurse()

def outer():
    try:
        recurse()

    except RuntimeError:
        pass

class TestRecusionProblem (unittest.TestCase):
    def test_recursion_in_thread(self):
        thread = threading.Thread(target=outer)
        thread.start()
        thread.join()


if __name__ == "__main__":
    unittest.main()