pep8: E225 missing whitespace around operator
pep8: E225 missing whitespace around operator

dgk/django-business-logic,dgk/django-business-logic,dgk/django-business-logic,dgk/django-business-logic,vlfedotov/django-business-logic,vlfedotov/django-business-logic,vlfedotov/django-business-logic,dgk/django-business-logic,vlfedotov/django-business-logic,vlfedotov/django-business-logic