[JarryShaw]

• Searched for similar pull requests
• Followed the coding style (make pylint, make mypy, make isort)
• make test passes, and a test case covers the change
• Changelog entry: N/A — centralised in docs(changelog): shared 1.5.0 changelog — long-lived, merges last (#610, #616, #617, #618, #620) #657

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The GraalPy leg warned tests raised MemoryError whenever grep -cw MemoryError found a match. That grep also matched a test docstring printed inside a traceback, so every timed-out run warned of a MemoryError that was never raised (#1962).

• The count now matches only lines that MemoryError heads: at line start, or after pytest's E, INTERNALERROR>, or an exception group's |.
• On saved Experimental logs, ten GraalPy timeout jobs go from 1 to 0. ci(python): GraalPy's unit tier stops on an xdist worker MemoryError under the 2 GiB per-process heap #1753's job 116172356218, which raised a real MemoryError, stays at 1.
• The new pin tests/project/test_memory_error_count_1962.py runs the real step: mentions count 0 and raised forms count 1. It fails without the fix.

Closes #1962

[JarryShaw]

GOOD TO GO at 22bd359d8. A Sonnet review ran the new count against job 116172356218, the one real GraalPy raise. It still counts INTERNALERROR> E MemoryError. E MemoryError: msg, bare MemoryError and exception-group | MemoryError match. The docstring and source-line forms the old grep counted (raise MemoryError, java.lang.OutOfMemoryError) do not. The step greps the tee file, which has no timestamp prefix, so the ^ anchor holds. With the old grep the pin fails (6 failed), and actionlint is clean.

[github-actions]

Coverage: 90.07% (unit tier, Python 3.15, 22bd359d8, Unit Tests run success)

Package	Statements	Missed	Branches	Partial	Cover
pcapkit (top level)	104	2	20	2	96.77%
pcapkit/const	19597	881	2618	867	92.11%
pcapkit/corekit	2505	70	792	36	96.54%
pcapkit/dumpkit	276	3	100	3	98.40%
pcapkit/foundation	2916	164	1016	34	93.59%
pcapkit/interface	138	7	52	5	93.68%
pcapkit/protocols	17411	224	4580	189	98.10%
pcapkit/toolkit	872	177	298	8	77.18%
pcapkit/utilities	522	2	158	4	99.12%
pcapkit/vendor	4431	2341	1018	156	43.64%

Per-file detail: the coverage-html artifact of this run.