[WIP] Fixed AttributeError

[ganeshhubale]

Signed-off-by: Ganesh Hubale [email protected]
check : https://github.com/RedHatQE/widgetastic.core/pull/163/files
Fixed Error:

>           'parameters of the view.'.format(self.view_class.__name__))
E       AttributeError: This is not an instance of fields. You need to call this object and pass the required parameters of the view.

/var/ci/cfme_venv3/lib64/python3.7/site-packages/widgetastic/widget/base.py:1199: AttributeError
AttributeError
b'This is not an instance of fields. You need to call this object and pass the required parameters of the view.'

{{ pytest: cfme/tests/automate/test_class.py -k 'test_schema_crud' --use-template-cache -qsvvv }}