ipykernel: fork, fix https://bugs.gentoo.org/789000

dev-python/ipykernel/Manifest

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+DIST ipykernel-5.5.3.tar.gz 112656 BLAKE2B 4cad13f24baafc591558136405c8c643e12033ffd01b5608ffdef5442080c3e2003c0f2c4b1562c1f326b4c10e124afc358f5258a6c59b7c9db90b8bb23278e3 SHA512 7b7f0a0aed71f7713934ac071e7283be2028a221fa2b87cad8c2d26821909f81d21dec23a5f72c91e7c9de639b0d7430957c8cc58bbc026d95bd81bb0a005800

dev-python/ipykernel/ipykernel-5.5.3-r1.ebuild

@@ -0,0 +1,47 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{7..9} )
+PYTHON_REQ_USE="threads(+)"
+
+inherit distutils-r1
+
+DESCRIPTION="IPython Kernel for Jupyter"
+HOMEPAGE="https://github.com/ipython/ipykernel"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+#https://bugs.gentoo.org/789000
+KEYWORDS="amd64 ~arm64 x86"
+IUSE="test"
+
+RDEPEND="
+	dev-python/ipython[${PYTHON_USEDEP}]
+	dev-python/jupyter_client[${PYTHON_USEDEP}]
+	dev-python/jupyter_core[${PYTHON_USEDEP}]
+	dev-python/traitlets[${PYTHON_USEDEP}]
+	www-servers/tornado[${PYTHON_USEDEP}]"
+BDEPEND="
+	test? (
+		dev-python/flaky[${PYTHON_USEDEP}]
+		dev-python/nose[${PYTHON_USEDEP}]
+		dev-python/nose_warnings_filters[${PYTHON_USEDEP}]
+	)"
+
+distutils_enable_tests pytest
+
+python_test() {
+	local deselect=(
+		# TODO
+		ipykernel/tests/test_serialize.py::test_numpy_in_seq
+		ipykernel/tests/test_serialize.py::test_numpy_in_dict
+		ipykernel/tests/test_serialize.py::test_class
+		ipykernel/tests/test_serialize.py::test_class_oldstyle
+		ipykernel/tests/test_serialize.py::test_class_inheritance
+	)
+
+	epytest ${deselect[@]/#/--deselect }
+}

dev-python/ipykernel/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="project">
+    <email>sci@gentoo.org</email>
+    <name>Gentoo Science Project</name>
+  </maintainer>
+  <maintainer type="project">
+    <email>python@gentoo.org</email>
+    <name>Python</name>
+  </maintainer>
+  <stabilize-allarches/>
+  <upstream>
+    <remote-id type="pypi">ipykernel</remote-id>
+    <remote-id type="github">ipython/ipykernel</remote-id>
+  </upstream>
+</pkgmetadata>