'Make a field editable.'

def make_field_editable(self, field_id):

    query = self.q(css='.u-field-{}'.format(field_id))
    if (not query.present):
        return None
    field_classes = query.attrs('class')[0].split()
    if (('mode-placeholder' in field_classes) or ('mode-display' in field_classes)):
        if (field_id == 'bio'):
            bio_field_selector = '.u-field-bio    >    .wrapper-u-field'
            self.wait_for_element_visibility(bio_field_selector, 'Bio    field    is    visible')
            self.browser.execute_script((("$('" + bio_field_selector) + "').click();"))
        else:
            self.q(css='.u-field-{}'.format(field_id)).first.click()
