def testXMLAttribute(element, attribute):
    """

    Test that the XML element and attribute exist, return attribute's value, else return None

    Parameters
    ----------

    - element: the element containing the attribute
    - attribute: the attribute name

    """
    if element is not None:
        return element.get(attribute)

    return None
dataset/ETHPy150Open geopython/OWSLib/owslib/util.py/testXMLAttribute/original