def test_from_tree(self, ConditionalFormatting):
    src = '\n        <conditionalFormatting sqref="A1:B5" />\n        '
    tree = fromstring(src)
    cf = ConditionalFormatting.from_tree(tree)
    assert (cf.sqref == 'A1:B5')
def test_from_tree(self, ConditionalFormatting):
    src = '\n        <conditionalFormatting sqref="A1:B5" />\n        '
    tree = fromstring(src)
    cf = ConditionalFormatting.from_tree(tree)
    assert (cf.sqref == 'A1:B5')