- **status**: unassigned --> assigned
- **assigned_to**: Thang Duc Nguyen
---
**[tickets:#3372] pyosaf: import abstract base classes (ABCs) fails on python
3.10+**
**Status:** assigned
**Milestone:** 5.25.04
**Created:** Wed May 14, 2025 12:57 AM UTC by Thang Duc Nguyen
**Last Updated:** Wed May 14, 2025 12:57 AM UTC
**Owner:** Thang Duc Nguyen
**Attachments:**
-
[pyosaf.patch](https://sourceforge.net/p/opensaf/tickets/3372/attachment/pyosaf.patch)
(1.3 kB; application/octet-stream)
The errors looked like
`ImportError: cannot import name 'Iterator' from 'collections'`
It is due to in Python 3.10 and later, several abstract base classes (ABCs) —
like Iterable, Iterator, Mapping, Sequence, etc. — were fully removed from the
main collections module.
These classes were moved to collections.abc in Python 3.3.
Patch attach for reference.
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