File: test_issue492.py

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# test for https://github.com/RDFLib/rdflib/issues/492

#!/usr/bin/env python3

import rdflib


def test_issue492():
    query = """
    prefix owl: <http://www.w3.org/2002/07/owl#>
    prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
    select ?x
    where
    {
        ?x rdf:rest/rdf:first _:6.
        ?x rdf:rest/rdf:first _:5.
    }
    """
    print(rdflib.__version__)
    g = rdflib.Graph()

    # raised a TypeError: unorderable types: SequencePath() < SequencePath()
    result = g.query(query)