"make check" fails

[Joe Neeman]

With this morning's git, I get a musicxml2ly error when running "make
check":

/usr/bin/python ../../../scripts/musicxml2ly.py -o
out-test/00a-Basics-Pitches.ly 00a-Basics-Pitches.xml
Reading MusicXML from 00a-Basics-Pitches.xml ...
Converting to LilyPond expressions...
Traceback (most recent call last):
  File "../../../scripts/musicxml2ly.py", line 2573, in <module>
    main()
  File "../../../scripts/musicxml2ly.py", line 2568, in main
    voices = convert (filename, options)
  File "../../../scripts/musicxml2ly.py", line 2482, in convert
    (voices, staff_info) = get_all_voices (parts)
  File "../../../scripts/musicxml2ly.py", line 2208, in get_all_voices
    part_ly_voices[n] = musicxml_voice_to_lily_voice (v)
  File "../../../scripts/musicxml2ly.py", line 1768, in
musicxml_voice_to_lily_voice
    is_after_grace = (isinstance (n, musicxml.Note) and n.is_after_grace
());
AttributeError: Note instance has no attribute 'is_after_grace'