This bug was fixed in the package python-oslo.concurrency -
4.0.0-0ubuntu2
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python-oslo.concurrency (4.0.0-0ubuntu2) focal; urgency=medium
* d/control: Really drop python3-posix-ipc (LP: #1851537).
-- James Page Mon, 30 Mar 2020 15:33:50 +0100
** Changed in:
** Changed in: python-oslo.concurrency (Ubuntu)
Status: New => In Progress
** Changed in: python-oslo.concurrency (Ubuntu)
Assignee: (unassigned) => James Page (james-page)
** Changed in: python-oslo.concurrency (Ubuntu)
Importance: Undecided => High
** Changed in: