'Sets the course to either self-paced or instructor-paced by checking
the appropriate radio button.'

@course_pacing.setter
def course_pacing(self, pacing):

    self.wait_for_element_presence(self.checked_pacing_css, u'course    pacing    controls    present')
    self.q(xpath=u"//label[contains(text(),    '{pacing}')]".format(pacing=pacing)).click()
