Make sure when we try to edit the class attribute it is not nil.
Make sure when we try to edit the class attribute it is not nil.

dariusf/coursemology.org,nnamon/coursemology.org,nusedutech/coursemology.org,Coursemology/coursemology.org,nusedutech/coursemology.org,Coursemology/coursemology.org,Coursemology/coursemology.org,dariusf/coursemology.org,nusedutech/coursemology.org,dariusf/coursemology.org,allenwq/coursemology.org,nnamon/coursemology.org,Coursemology/coursemology.org,allenwq/coursemology.org,allenwq/coursemology.org,allenwq/coursemology.org,nusedutech/coursemology.org,nnamon/coursemology.org,nnamon/coursemology.org,dariusf/coursemology.org,nnamon/coursemology.org,dariusf/coursemology.org,Coursemology/coursemology.org,nusedutech/coursemology.org,allenwq/coursemology.org