'Remove a tab from front of lines but allowing dedented lines.'

def looseDetab(self, text, level=1):

    lines = text.split(u'\n')
    for i in range(len(lines)):
        if lines[i].startswith(((u'    ' * self.tab_length) * level)):
            lines[i] = lines[i][(self.tab_length * level):]
    return u'\n'.join(lines)
