removed superfluos assignment, some pep8
removed superfluos assignment, some pep8

andreesg/bda.plone.checkout,TheVirtualLtd/bda.plone.checkout,andreesg/bda.plone.checkout,TheVirtualLtd/bda.plone.checkout,TheVirtualLtd/bda.plone.checkout,andreesg/bda.plone.checkout