ERROR: test_timeout_environment_variable (asyncio_tests.test_asyncio_tests.TestAsyncIOTests)
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Traceback (most recent call last):
  File "/home/travis/build/mongodb/motor/test/asyncio_tests/test_asyncio_tests.py", line 138, in test_timeout_environment_variable
    custom_timeout(self)
  File "/home/travis/build/mongodb/motor/test/asyncio_tests/__init__.py", line 214, in wrapped
    self.loop.run_until_complete(task)
  File "/opt/python/3.8.0/lib/python3.8/asyncio/base_events.py", line 608, in run_until_complete
    return future.result()
  File "/opt/python/3.8.0/lib/python3.8/asyncio/tasks.py", line 490, in wait_for
    raise exceptions.TimeoutError()
asyncio.exceptions.TimeoutError

>>> import concurrent.futures
>>> help(concurrent.futures.TimeoutError)

Help on class TimeoutError in module concurrent.futures._base:

class TimeoutError(Error)
 |  The operation exceeded the given deadline.
 |
 |  Method resolution order:
 |      TimeoutError
 |      Error
 |      builtins.Exception
...

>>> import asyncio.exceptions
>>> help(asyncio.exceptions.TimeoutError)

Help on class TimeoutError in module asyncio.exceptions:

class TimeoutError(builtins.Exception)
 |  The operation exceeded the given deadline.
 |
 |  Method resolution order:
 |      TimeoutError
 |      builtins.Exception
...