Comment 12 for bug 263300

So going through the tests we can see the bug being reproduced with test_node.test_get_history. Simple reproduction with with Bzr 1.12 shows:

$ nosetests tracbzr.tests.test_node
No handlers could be found for logger "bzr"
.E.
======================================================================
ERROR: test_get_history (tracbzr.tests.test_node.TestNode)
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Traceback (most recent call last):
  File "/home/rocky/dev/bzr/forks/TracBzr/vendor-main/tracbzr/tests/test_node.py", line 49, in test_get_history
    list(node.get_history()))
  File "/home/rocky/dev/bzr/forks/TracBzr/vendor-main/tracbzr/backend.py", line 756, in _get_history
    history = list(self._merging_history())
  File "/home/rocky/dev/bzr/forks/TracBzr/vendor-main/tracbzr/backend.py", line 715, in _merging_history
    weave = self.tree._get_weave(self.entry.file_id)
AttributeError: 'RevisionTree' object has no attribute '_get_weave'

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Ran 3 tests in 0.758s

FAILED (errors=1)