Cleanup

tests/test_electric_voicing.py

@@ -1,10 +1,10 @@
+import generator.validation
 import copy
 import fractions
 import pathlib
 import unittest
 import unittest.mock
 
-import generator.arrange.form
 import generator.arrange.generate
 import generator.electric
 import generator.fretboard
@@ -110,6 +110,6 @@ class ElectricVoicingTests(unittest.TestCase):
     before = copy.deepcopy(source)
     with unittest.mock.patch('generator.electric.reuse_voicings', side_effect=AssertionError('cross-part grip dependency')) as reuse:
       result = generator.arrange.generate.arrange_document(source, 'electric')
-    generator.model.validate_document(result)
+    generator.validation.validate_document(result)
     reuse.assert_not_called()
     self.assertEqual(source, before)