465
465
self.assertRaises(errors.NoSuchFile, revision_tree.get_file_lines,
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466
revision_tree.inventory.root.file_id)
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467
format = bzrdir.BzrDirMetaFormat1()
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469
upgrade.Convert('.', format)
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470
tree = workingtree.WorkingTree.open('.')
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471
revision_tree = tree.branch.repository.revision_tree('dull')