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486
self.assertTrue(repo._format.supports_external_lookups)
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487
self.assertFalse(repo.supports_rich_root())
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500
def test_sprout_upgrades_to_rich_root_format_if_needed(self):
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501
child_branch, new_child_transport = self.prepare_default_stacking(
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child_format='rich-root-pack')