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class UncommittedChanges(BzrError):
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import bzrlib.urlutils as urlutils
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display_url = urlutils.unescape_for_display(
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tree.bzrdir.root_transport.base, 'ascii')
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BzrError.__init__(self, tree=tree, display_url=display_url, more=more)
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class MissingTemplateVariable(BzrError):