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fix(ci): narrow --prerelease=allow to wheels in cross-platform instal… (#13303)

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fix(ci): narrow --prerelease=allow to wheels in cross-platform install tests

Nightly cross-platform install tests were failing on Python 3.12/3.13 with
a pydantic ValidationError at langchain_core import time:

  File ".../langchain_core/runnables/passthrough.py", line 349, in <module>
      _graph_passthrough: RunnablePassthrough = RunnablePassthrough()
  pydantic_core._pydantic_core.ValidationError: 1 validation error for
  RunnablePassthrough
  name
    Field required ...

Cause: --prerelease=allow was pulling pydantic 2.14.0a1 as a transitive
dep, which is incompatible with langchain-core 1.4.0's top-level
RunnablePassthrough() initialization.

We need pre-releases enabled for the nightly langflow* .dev wheels we
pass on the command line, but not for transitive deps. Switch to
--prerelease=if-necessary-or-explicit, which keeps the explicit .dev
wheel installs working while resolving stable pydantic for everything
else.
This commit is contained in:
Eric Hare
2026-05-22 20:29:51 -07:00
parent 49de16c015
commit b0b5849fa4
1 changed files with 12 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
.github/workflows/cross-platform-test.yml vendored
View File

@ -293,7 +293,12 @@ jobs:
printf 'Installing %s wheel(s):\n' "$label"
printf '%s\n' "$@"
refresh_find_links
uv pip install --prerelease=allow --python "$PYTHON" "${FIND_LINKS[@]}" "$@"
# Use `if-necessary-or-explicit` (not `allow`): nightly langflow* wheels
# are .dev pre-releases so we need to allow them explicitly, but `allow`
# leaks to transitive deps and resolves pre-release pydantic alphas
# (e.g. 2.14.0a1) which break langchain-core's module-level
# `RunnablePassthrough()` call at import time.
uv pip install --prerelease=if-necessary-or-explicit --python "$PYTHON" "${FIND_LINKS[@]}" "$@"
}
SDK_WHEELS=(./sdk-dist/*.whl)
@ -581,7 +586,8 @@ jobs:
printf 'Installing %s wheel(s):\n' "$label"
printf '%s\n' "$@"
refresh_find_links
uv pip install --prerelease=allow --python "$PYTHON" "${FIND_LINKS[@]}" "$@"
# See stable job above for rationale on --prerelease=if-necessary-or-explicit.
uv pip install --prerelease=if-necessary-or-explicit --python "$PYTHON" "${FIND_LINKS[@]}" "$@"
}
SDK_WHEELS=(./sdk-dist/*.whl)
@ -631,7 +637,7 @@ jobs:
if [ "${{ inputs.pre_release }}" = "true" ]; then
NO_DEPS=""
fi
uv pip install --force-reinstall $NO_DEPS --prerelease=allow --python ./test-env/Scripts/python.exe "${INSTALL_WHEELS[@]}"
uv pip install --force-reinstall $NO_DEPS --prerelease=if-necessary-or-explicit --python ./test-env/Scripts/python.exe "${INSTALL_WHEELS[@]}"
fi
fi
@ -643,7 +649,7 @@ jobs:
if [ "${{ inputs.pre_release }}" = "true" ]; then
NO_DEPS=""
fi
uv pip install --force-reinstall $NO_DEPS --prerelease=allow --python ./test-env/Scripts/python.exe "$BASE_WHEEL"
uv pip install --force-reinstall $NO_DEPS --prerelease=if-necessary-or-explicit --python ./test-env/Scripts/python.exe "$BASE_WHEEL"
fi
shell: bash
@ -668,7 +674,7 @@ jobs:
if [ "${{ inputs.pre_release }}" = "true" ]; then
NO_DEPS=""
fi
uv pip install --force-reinstall $NO_DEPS --prerelease=allow --python ./test-env/bin/python "${INSTALL_WHEELS[@]}"
uv pip install --force-reinstall $NO_DEPS --prerelease=if-necessary-or-explicit --python ./test-env/bin/python "${INSTALL_WHEELS[@]}"
fi
fi
@ -680,7 +686,7 @@ jobs:
if [ "${{ inputs.pre_release }}" = "true" ]; then
NO_DEPS=""
fi
uv pip install --force-reinstall $NO_DEPS --prerelease=allow --python ./test-env/bin/python "$BASE_WHEEL"
uv pip install --force-reinstall $NO_DEPS --prerelease=if-necessary-or-explicit --python ./test-env/bin/python "$BASE_WHEEL"
fi
shell: bash