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v0.8.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision 226a012d1cd61f42ecd3056c554922f359a1a35d authored by Brandt Bucher on 05 December 2020, 03:45:57 UTC, committed by GitHub on 05 December 2020, 03:45:57 UTC 
bpo-42536: GC track recycled tuples (GH-23623)
 
Several built-in and standard library types now ensure that their internal result tuples are always tracked by the garbage collector:

- collections.OrderedDict.items
- dict.items
- enumerate
- functools.reduce
- itertools.combinations
- itertools.combinations_with_replacement
- itertools.permutations
- itertools.product
- itertools.zip_longest
- zip

Previously, they could have become untracked by a prior garbage collection.
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Tip revision: 226a012d1cd61f42ecd3056c554922f359a1a35d authored by Brandt Bucher on 05 December 2020, 03:45:57 UTC
bpo-42536: GC track recycled tuples (GH-23623)
Tip revision: 226a012
vgrindefs 
# vgrind is a pretty-printer that takes source code and outputs
# eye-pleasing postscript.  The entry below should be added to your
# local vgrindefs file.  Contributed by Neale Pickett <neale@lanl.gov>.

python|Python|py:\
        :pb=^\d?(def|class)\d\p(\d|\\|\(|\:):\
        :cb=#:ce=$:sb=":se=\e":lb=':le=\e':\
        :kw=assert and break class continue def del elif else except\
         finally for from global if import in is lambda not or\
         pass print raise return try while yield:
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