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[3.13] gh-71896: Add a docs warning about trailing newlines ignored by difflib.HtmlDiff (GH-153930) #201953

[3.13] gh-71896: Add a docs warning about trailing newlines ignored by difflib.HtmlDiff (GH-153930)

[3.13] gh-71896: Add a docs warning about trailing newlines ignored by difflib.HtmlDiff (GH-153930) #201953

Triggered via pull request July 18, 2026 13:45
Status Failure
Total duration 24m 39s
Artifacts 4

build.yml

on: pull_request
Change detection  /  Create context from changed files
12s
Change detection / Create context from changed files
Matrix: Address sanitizer
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests with OpenSSL
Matrix: build-ubuntu
Matrix: build-windows-msi
Waiting for pending jobs
Matrix: build-windows
Matrix: cifuzz
Docs  /  Docs
1m 55s
Docs / Docs
Docs  /  Doctest
6m 32s
Docs / Doctest
Docs  /  Check EPUB
2m 15s
Docs / Check EPUB
Check if Autoconf files are up to date
41s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 49s
Check if generated files are up to date
WASI  /  build and test
6m 30s
WASI / build and test
Hypothesis tests on Ubuntu
6m 28s
Hypothesis tests on Ubuntu
Check if the ABI has changed
1m 28s
Check if the ABI has changed
Matrix: build-android
All required checks pass
4s
All required checks pass
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2 errors and 16 warnings
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
Check if the ABI has changed
The `python-version` input is not set. The version of Python currently in `PATH` will be used.
Windows (free-threading) / build (arm64): Modules/unicodedata.c#L1568
'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]
Windows / build (arm64): Modules/unicodedata.c#L1568
'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Python/import.c#L1197
‘__builtin_strncpy’ output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation]
Address sanitizer (ubuntu-24.04): Include/internal/pycore_dict.h#L302
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Windows (free-threading) / build and test (x64): Modules/unicodedata.c#L1568
'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]
Windows / build and test (x64): Modules/unicodedata.c#L1568
'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]

Artifacts

Produced during runtime
Name Size Digest
TSan-logs-free-threading
1.61 KB
sha256:20b7b7d02ddbe0064a02fc9f3668e50403c4a0b3d6b536c9f1e8dea5f15cc5e7
address-artifacts
2.72 KB
sha256:cc4a13264b6d48d3fdf37bf50e36274da7992338a319527c93753dacdc846098
memory-artifacts
7.29 KB
sha256:02b63db475032042857de4e1cfaee5e5cc5aa7d7e4a3420d108ad16b6333a0f7
undefined-artifacts
7.29 KB
sha256:09ba4aab1fd5e3295eedee718edf056ffe3d6516203bd5a651ceca187169a53d