[PEAK] AddOn.exists_for

Sergey Schetinin maluke at gmail.com
Mon Mar 3 04:59:42 EST 2008

When checking for exising addon to value of a base type it throws an
exception instead of returning False.

>>> from peak.util.addons import AddOn
>>> AddOn.exists_for(1)
Traceback (most recent call last):
TypeError: cannot create weak reference to 'int' object

Best Regards,
Sergey Schetinin

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