C:\Python27\python.exe -u test_hub_join_timeout.py
  Traceback (most recent call last):
    File "test_hub_join_timeout.py", line 44, in <module>
      result = gevent.wait(timeout=10)
    File "C:\Python27\lib\contextlib.py", line 24, in __exit__
      self.gen.next()
    File "test_hub_join_timeout.py", line 22, in expected_time
      assert expected - fuzzy <= elapsed <= expected + fuzzy, 'Expected: %r; elapsed: %r' % (expected, elapsed)
  AssertionError: Expected: 0.1; elapsed: 0.15600013732910156