dev-python/ipykernel: bump to 5.1.4.

Add conditional dependency on dev-python/jupyter_core.

Closes: https://bugs.gentoo.org/703606
Package-Manager: Portage-2.3.88, Repoman-2.3.18
Signed-off-by: Benda Xu <heroxbd@gentoo.org>

dev-python/ipykernel/ipykernel-5.1.4.ebuild

@@ -0,0 +1,33 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6,7} )
+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}/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~x86"
+IUSE="test"
+
+RDEPEND="
+	>=dev-python/ipython-6[${PYTHON_USEDEP}]
+	dev-python/jupyter_client[${PYTHON_USEDEP}]
+	>=dev-python/jupyter_core-4.6[${PYTHON_USEDEP}]
+	>=dev-python/traitlets-4.1.0[${PYTHON_USEDEP}]
+	>=www-servers/tornado-4.0[${PYTHON_USEDEP}]
+"
+DEPEND="${RDEPEND}
+	test? (
+		dev-python/nose[${PYTHON_USEDEP}]
+		dev-python/nose_warnings_filters[${PYTHON_USEDEP}]
+		dev-python/flaky[${PYTHON_USEDEP}] )"
+
+distutils_enable_tests pytest