1197
1197
# We create a new provider because a fallback may have been added.
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1198
# If we make fallbacks private we can update a stack list and avoid
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1199
# object creation thrashing.
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1205
self._providers = self._providers[:1] + self.fallback_versionedfiles
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1208
for key, parents in result.iteritems():
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1210
result[key] = (revision.NULL_REVISION,)