Cleanup

tests/test_key_metadata.py

@@ -1,3 +1,4 @@
+import generator.validation
 import copy
 import fractions
 import pathlib
@@ -43,7 +44,7 @@ class KeyCancellationTests(unittest.TestCase):
           source = key_change(old, new, local)
           before = copy.deepcopy(source)
           result = instrument_score(source, *({'A': (1, 2), 'Ab': (-1, -2), 'G': (1, 2), 'F': (-1, -2)}[target]))
-          generator.model.validate_document(result)
+          generator.validation.validate_document(result)
           measures = result['staves'][0]['measures']
           self.assertEqual(measures[0]['key'], generator.model.key_from_fifths(expected_old))
           change = measures[0]['attributes'][0] if local else measures[1]