Hi All,
I have a mixin class here that I've factored out of one project as I
want to use it in another one:
https://github.com/Mortar/mortar_mixins/blob/master/mortar_mixins/temporal.py
The problem is that importing the module seems to result in the
following exception being raised:
>>> from mortar_mixins.temporal import Temporal
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "mortar_mixins/temporal.py", line 81, in <module>
listen(Temporal, 'instrument_class', add_constraints, propagate=True)
File
"/Users/chris/vcs/git/mortar_mixins/lib/python2.7/site-packages/sqlalchemy/event/api.py",
line 89, in listen
_event_key(target, identifier, fn).listen(*args, **kw)
File
"/Users/chris/vcs/git/mortar_mixins/lib/python2.7/site-packages/sqlalchemy/event/api.py",
line 28, in _event_key
(identifier, target))
sqlalchemy.exc.InvalidRequestError: No such event 'instrument_class' for
target '<class 'mortar_mixins.temporal.Temporal'>'
My guess is something to do with it not being mixed into any classes at
that point.
Weirdly, it seems to work fine, and all the tests run and pass, although
the nose run will spew the above error in addition to running the tests.
To reproduce, just follow the instructions here:
https://github.com/Mortar/mortar_mixins/blob/master/README.rst#development
Any ideas what I should do to resolve this?
cheers,
Chris
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