Re: AttributeError: 'NoneType' object has no attribute 'storid'

Posted by Jiba on
URL: http://owlready.306.s1.nabble.com/AttributeError-NoneType-object-has-no-attribute-storid-tp2936p2942.html

Hi,

The error message indicates that Class is None in a call to get_instances_of().

If you design unit test, I highly recommend you to use a separate World for each test (and not just different ontologies). This will prevent a test to pollute another one.

Jiba