===>  Building for zeitgeist-0.8.2
Making all in extra
gmake[1]: Entering directory `/usr/ports/sysutils/zeitgeist/work/zeitgeist-0.8.2/extra'
Making all in ontology
gmake[2]: Entering directory `/usr/ports/sysutils/zeitgeist/work/zeitgeist-0.8.2/extra/ontology'
echo -e "#\n# Auto-generated from nie.trig. Do not edit\n#" > nie.py
rapper -i trig -o rdfxml nie.trig | ../../extra/rdfxml2py >> nie.py
rapper: Parsing URI file:///usr/ports/sysutils/zeitgeist/work/zeitgeist-0.8.2/extra/ontology/nie.trig with parser trig
rapper: Serializing with serializer rdfxml
rapper: Parsing returned 257 triples
Parsing from stdin
echo -e "#\n# Auto-generated from nco.trig. Do not edit\n#" > nco.py
rapper -i trig -o rdfxml nco.trig | ../../extra/rdfxml2py >> nco.py
rapper: Parsing URI file:///usr/ports/sysutils/zeitgeist/work/zeitgeist-0.8.2/extra/ontology/nco.trig with parser trig
rapper: Serializing with serializer rdfxml
Parsing from stdin
rapper: Parsing returned 446 triples
Traceback (most recent call last):
  File "../../extra/rdfxml2py", line 40, in <module>
    parse(sys.stdin)
  File "../../extra/rdfxml2py", line 31, in parse
    pycode = ontology.serialize(format="python")
  File "/usr/local/lib/python2.7/site-packages/rdflib/graph.py", line 817, in serialize
    serializer.serialize(stream, base=base, encoding=encoding, **args)
  File "/usr/ports/sysutils/zeitgeist/work/zeitgeist-0.8.2/extra/PythonSerializer.py", line 98, in serialize
    stream, symbol, symbol_classes.union(set([NIENS["InformationElement"], NIENS["DataObject"]]))
  File "/usr/ports/sysutils/zeitgeist/work/zeitgeist-0.8.2/extra/PythonSerializer.py", line 89, in _create_symbol
    root_type, symbol, display_name, doc)
TypeError: 'unicode' does not have the buffer interface
gmake[2]: *** [nco.py] Error 1
gmake[2]: Leaving directory `/usr/ports/sysutils/zeitgeist/work/zeitgeist-0.8.2/extra/ontology'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/ports/sysutils/zeitgeist/work/zeitgeist-0.8.2/extra'
gmake: *** [all-recursive] Error 1