/usr/lib/python3/dist-packages/zmq/eventloop/minitornado/concurrent.py is in python3-zmq 15.2.0-0ubuntu4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 | """pyzmq does not ship tornado's futures,
this just raises informative NotImplementedErrors to avoid having to change too much code.
"""
class NotImplementedFuture(object):
def __init__(self, *args, **kwargs):
raise NotImplementedError("pyzmq does not ship tornado's Futures, "
"install tornado >= 3.0 for future support."
)
Future = TracebackFuture = NotImplementedFuture
def is_future(x):
return isinstance(x, Future)
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