dev-python/vector: Bump to 1.8.1

Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/vector/Manifest

@@ -1,2 +1,4 @@
 DIST vector-1.8.0.tar.gz 387493 BLAKE2B f858c435f1a6ba4c2bd2fa609171e207fe06494fa125fbe266535404d4834e9f2b72ca0a3ca6b805e34b8e6221778553c6b96cf72d95f79a76f58e84531b1156 SHA512 2c8129f548285b8bbcfbbaf084358dd15fe11ac3de2b3646b6434a3ed26bb85124b4957f736e6aa24d43fb6e8c35726eea7c5260b6e27a4315ea3500cc2a2bf6
 DIST vector-1.8.0.tar.gz.provenance 9195 BLAKE2B 4cbd5974ae64e9dfc39c4540f087474e86b8d0afe5951f0163c8c36c207d9a6ac417e43941b7ca33bf266701709146d3ece90c74eeb8f070c45f40b5c8e466a4 SHA512 dd494c9c5b7fa2f2e6972cbd73e2c79fa7c329aea751005b256339b5b6e9793c905bfb1d58b989fd0e758271cc451edb871e7bb912259e2285326cb430d2cfdc
+DIST vector-1.8.1.tar.gz 387964 BLAKE2B 2597dfbcae38c4abf81c1790c567e9a2e5a15ed1970337ab4eb3aebc0b1e1e2a7754007366289d06f80b566b5147e6d78e58b28765c7468fa7c92c4da99a4156 SHA512 284c30a3e10563adc6376fee9ab008555052c8ed37240daf3e2c85c0fa396e4e4cebdb52ae5178fa6be307feccc2befc07b6b2f3095ef2873695226b13675f84
+DIST vector-1.8.1.tar.gz.provenance 9438 BLAKE2B 32036877fe798eb0a55e68eea8db0a4484ad54d2497b10123762ae5f338bfe75b444b74ab066593c417a61c6e95386349470368363dd49628c77aa0dce881fad SHA512 ef611d21c83603c7b52ee64223fc3695a639e0195956aa4cc68cba247103eda64040944aac2c455d2d76a8a43bc039e9d5731dfcf5514b755ed91c94bfcf1a67

dev-python/vector/vector-1.8.1.ebuild

@@ -0,0 +1,50 @@
+# Copyright 2025-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{12..14} )
+PYPI_VERIFY_REPO=https://github.com/scikit-hep/vector
+DISTUTILS_USE_PEP517=hatchling
+
+inherit distutils-r1 pypi optfeature
+
+DESCRIPTION="Vector classes and utilities"
+HOMEPAGE="
+	https://github.com/scikit-hep/vector/
+	https://pypi.org/project/vector/
+	https://vector.readthedocs.io/
+	https://doi.org/10.5281/zenodo.7054478
+"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64"
+
+RDEPEND="
+	>=dev-python/numpy-1.19.3[${PYTHON_USEDEP}]
+	>=dev-python/packaging-20[${PYTHON_USEDEP}]
+"
+BDEPEND="
+	dev-python/hatch-vcs[${PYTHON_USEDEP}]
+	test? (
+		dev-python/awkward[${PYTHON_USEDEP}]
+		dev-python/sympy[${PYTHON_USEDEP}]
+	)
+"
+
+EPYTEST_IGNORE=(
+	# no module named papermill
+	tests/test_notebooks.py
+	# testing for exact (not mathematical) equality against sympy
+	# which changes without being wrong...
+	tests/compute/sympy/lorentz/
+)
+
+EPYTEST_PLUGINS=()
+distutils_enable_tests pytest
+
+pkg_postinst() {
+	optfeature "awkward array support" dev-python/awkward
+	optfeature "sympy support" dev-python/sympy
+}