def _tpl(val):
    match = _tpl_pattern.match(val)
    if match:
        return match.groups()[0]
    return None
If the URI scheme is empty, an exception is raised.
dataset/ETHPy150Open marshmallow-code/flask-marshmallow/flask_marshmallow/fields.py/_tpl--crossover with--dataset/ETHPy150Open ralphm/idavoll/idavoll/test/test_gateway.py/GetServiceAndNodeTest.test_schemeEmpty