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Viewing changes to bzrlib/graph.py

Merge bzr.dev.

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bzrlib/graph.py
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        for searcher in active_searchers.itervalues():
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            searcher.next()
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        while len(active_searchers) > 0:
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            for candidate, searcher in list(active_searchers.iteritems()):
 
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            for candidate in active_searchers.keys():
 
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                try:
 
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                    searcher = active_searchers[candidate]
 
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                except KeyError:
 
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                    # rare case: we deleted candidate in a previous iteration
 
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                    # through this for loop, because it was determined to be
 
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                    # a descendant of another candidate.
 
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                    continue
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                try:
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                    ancestors = searcher.next()
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                except StopIteration: