[Python-modules-team] Bug#907067: python-simpy3 FTBFS with Python 3.7 as supported version

[Adrian Bunk]

Source: python-simpy3
Version: 3.0.10-3
Severity: serious
Tags: ftbfs

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/python-simpy3.html

...
I: pybuild base:217: cd /build/1st/python-simpy3-3.0.10/.pybuild/cpython3_3.7_simpy3/build; python3.7 -m pytest tests
============================= test session starts ==============================
platform linux -- Python 3.7.0+, pytest-3.6.4, py-1.5.4, pluggy-0.6.0
rootdir: /build/1st/python-simpy3-3.0.10, inifile: setup.cfg
collected 150 items / 10 deselected

tests/test_condition.py .....................                            [ 15%]
tests/test_environment.py ......                                         [ 19%]
tests/test_event.py .....F...                                            [ 25%]
tests/test_exceptions.py ..........                                      [ 32%]
tests/test_interrupts.py ..F..F.F.F                                      [ 40%]
tests/test_process.py ....F.F..F                                         [ 47%]
tests/test_resources.py ....FFF.................................         [ 75%]
tests/test_rt.py .........                                               [ 82%]
tests/test_timeout.py ....F                                              [ 85%]
tests/test_util.py F.F.................                                  [100%]

=================================== FAILURES ===================================
________________________________ test_triggered ________________________________

env = <simpy.core.Environment object at 0x7f3e9da535f8>
event = <Event() object at 0x7f3e9da53ac8>

    def pem(env, event):
        value = yield event
>       env.exit(value)

tests/test_event.py:90: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <simpy.core.Environment object at 0x7f3e9da535f8>
value = 'i was already done'

    def exit(self, value=None):
        """Stop the current process, optionally providing a ``value``.
    
            This is a convenience function provided for Python versions prior to
            3.3. From Python 3.3, you can instead use ``return value`` in
            a process.
    
            """
>       raise StopIteration(value)
E       StopIteration: i was already done

simpy/core.py:154: StopIteration

The above exception was the direct cause of the following exception:

env = <simpy.core.Environment object at 0x7f3e9da535f8>

    def test_triggered(env):
        def pem(env, event):
            value = yield event
            env.exit(value)
    
        event = env.event()
        event.succeed('i was already done')
    
>       result = env.run(env.process(pem(env, event)))

tests/test_event.py:95: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
simpy/core.py:137: in run
    self.step()
simpy/core.py:221: in step
    callback(event)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

cls = <class 'simpy.core.StopSimulation'>
event = <Process(pem) object at 0x7f3e9da539e8>

    @classmethod
    def callback(cls, event):
        """Used as callback in :meth:`BaseEnvironment.run()` to stop the
            simulation when the *until* event occurred."""
        if event.ok:
            raise cls(event.value)
        else:
>           raise event.value
E           RuntimeError: generator raised StopIteration

simpy/core.py:59: RuntimeError
...