tornado.gen.Task was removed in Tornado 6.
=================================== FAILURES ===================================
_______________________ test_decorate_tornado_coroutine ________________________
tests/test_integrations_py3.py:43: in test_decorate_tornado_coroutine
loop.run_sync(coro)
/usr/lib/python3.8/site-packages/tornado/ioloop.py:532: in run_sync
return future_cell[0].result()
/usr/lib/python3.8/site-packages/tornado/gen.py:209: in wrapper
yielded = next(result)
src/aspectlib/py35support.py:90: in advising_generator_wrapper_py35
advice = advisor.throw(*sys.exc_info())
src/aspectlib/debug.py:220: in advising_function
res = yield
src/aspectlib/py35support.py:88: in advising_generator_wrapper_py35
result = yield from gen
tests/test_integrations_py3.py:39: in coro
yield gen.Task(loop.add_timeout, timedelta(microseconds=10))
E AttributeError: module 'tornado.gen' has no attribute 'Task'
------------------------------ Captured log call -------------------------------
CRITICAL aspectlib.debug:debug.py:218 coro() <<< aspectlib/py35support.py:79:advising_generator_wrapper_py35 < tornado/gen.py:209:wrapper
CRITICAL aspectlib.debug:debug.py:225 coro ~ raised AttributeError("module 'tornado.gen' has no attribute 'Task'")
=```
tornado.gen.Task was removed in Tornado 6.