2021-06-22 19:52 UTC, 'Justin C. Walker' via sage-release:
>
> Built from a fresh clone of the develop tree on macOS 10.13.6
> (2017 iMac Pro, 18-core Xeon W).
> Testing (‘ptestlong’) had one failure:
>
> sage -t --long --warn-long 70.4 --random-seed=0
> src/sage/graphs/bipartite_graph.py # 1 doctest failed
>
> The failure was intermittent: in a loop, the failure occurred about 5% of the
> time.
On macOS 10.14.6, I also get this failure intermittently (also in Sage
9.4.beta3).
```
$ ./sage -t --long --random-seed=0 src/sage/graphs/bipartite_graph.py
Running doctests with ID 2021-06-28-11-23-02-ee62df2f.
Git branch: develop
Using --optional=build,dochtml,homebrew,pip,sage,sage_spkg
Doctesting 1 file.
sage -t --long --warn-long 71.8 --random-seed=0
src/sage/graphs/bipartite_graph.py
**********************************************************************
File "src/sage/graphs/bipartite_graph.py", line 329, in
sage.graphs.bipartite_graph.BipartiteGraph.__init__
Failed example:
print(round(get_memory_usage() - start_mem))
Expected:
0.0
Got:
1.0
**********************************************************************
1 item had failures:
1 of 14 in sage.graphs.bipartite_graph.BipartiteGraph.__init__
[320 tests, 1 failure, 2.13 s]
----------------------------------------------------------------------
sage -t --long --warn-long 71.8 --random-seed=0
src/sage/graphs/bipartite_graph.py # 1 doctest failed
----------------------------------------------------------------------
Total time for all tests: 2.2 seconds
cpu time: 2.1 seconds
cumulative wall time: 2.1 seconds
Pytest is not installed, skip checking tests that rely on it.
```
Related tickets:
- Memory leak in bipartite_graph
https://trac.sagemath.org/ticket/31313
- Add gc.collect() to the memleak test from #31313
https://trac.sagemath.org/ticket/31671
Might be worth a new ticket.
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