Cleanup

tests/test_acoustic_pairs.py

@@ -1,4 +1,5 @@
 """Acoustic attack assignment across musical, rather than storage, boundaries."""
+import generator.validation
 import copy
 import dataclasses
 import fractions
@@ -108,7 +109,7 @@ class AcousticPairs(unittest.TestCase):
     source['staves'][0]['measures'] = rendered
     source['staves'][0].update(arrangement_part_type='acoustic', tablature=True)
     generator.acoustic.combine(source)
-    generator.model.validate_document(source)
+    generator.validation.validate_document(source)
     generator.fretboard.validate_document(source)
     generator.acoustic.validate_comping(source)
     attacks = [n for n in generator.score.measure_notes(rendered[2]) if n['pitches']]