'Click on an inline icon that can be included in problem text using an HTML <clarification> element:
Problem <clarification>clarification text hidden by an icon in rendering</clarification> Text'

def click_clarification(self, index=0):

    self.q(css='div.problem    .clarification:nth-child({index})    span[data-tooltip]'.format(index=(index + 1))).click()
