https://hg.python.org/cpython/rev/c3a6e5fdfdc6 changeset: 105911:c3a6e5fdfdc6 parent: 105908:8b19c2a1b197 parent: 105910:1b4b00b370f7 user: Raymond Hettinger <python@rcn.com> date: Sat Dec 31 12:03:16 2016 -0700 summary: merge files: Lib/collections/__init__.py | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-) diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py --- a/Lib/collections/__init__.py +++ b/Lib/collections/__init__.py @@ -189,6 +189,7 @@ link = self.__map[key] link_prev = link.prev link_next = link.next + soft_link = link_next.prev link_prev.next = link_next link_next.prev = link_prev root = self.__root @@ -196,12 +197,14 @@ last = root.prev link.prev = last link.next = root - last.next = root.prev = link + root.prev = soft_link + last.next = link else: first = root.next link.prev = root link.next = first - root.next = first.prev = link + first.prev = soft_link + root.next = link def __sizeof__(self): sizeof = _sys.getsizeof -- Repository URL: https://hg.python.org/cpython