--- /dev/null
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+PYTHON_COMPAT=( python2_7 python3_{4,5,6,7} pypy pypy3 )
+
+inherit distutils-r1
+
+DESCRIPTION="A library for parsing ISO 8601 strings"
+HOMEPAGE="https://bitbucket.org/nielsenb/aniso8601/ https://pypi.org/project/aniso8601/"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="GPL-3+"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~x86"
+IUSE="test"
+
+RDEPEND=">=dev-python/python-dateutil-2.7.3[${PYTHON_USEDEP}]"
+DEPEND="dev-python/setuptools[${PYTHON_USEDEP}]
+ test? ( $(python_gen_cond_dep 'dev-python/mock[${PYTHON_USEDEP}]' python2_7) )"
+
+PATCHES=( "${FILESDIR}"/${P}-mock.patch )
+
+python_test() {
+ "${PYTHON}" -m unittest discover ${PN}/tests -v || die "tests fail with ${EPYTHON}"
+}
--- /dev/null
+From 12c2e06a88832fa208c9c0361e5ce91436a5d5ac Mon Sep 17 00:00:00 2001
+From: Tim Harder <radhermit@gmail.com>
+Date: Thu, 27 Dec 2018 01:42:45 -0600
+Subject: [PATCH] Use mock from unittest for python3.
+
+---
+ aniso8601/tests/test_builder.py | 5 ++++-
+ aniso8601/tests/test_date.py | 5 ++++-
+ aniso8601/tests/test_duration.py | 5 ++++-
+ aniso8601/tests/test_interval.py | 5 ++++-
+ aniso8601/tests/test_time.py | 5 ++++-
+ aniso8601/tests/test_timezone.py | 5 ++++-
+ 6 files changed, 24 insertions(+), 6 deletions(-)
+
+diff --git a/aniso8601/tests/test_builder.py b/aniso8601/tests/test_builder.py
+index 453f781..aafc7fe 100644
+--- a/aniso8601/tests/test_builder.py
++++ b/aniso8601/tests/test_builder.py
+@@ -9,7 +9,10 @@
+ import datetime
+ import pickle
+ import unittest
+-import mock
++try:
++ from unittest import mock
++except ImportError:
++ import mock
+ import aniso8601
+ import dateutil.relativedelta
+
+diff --git a/aniso8601/tests/test_date.py b/aniso8601/tests/test_date.py
+index 2c60245..a991be1 100644
+--- a/aniso8601/tests/test_date.py
++++ b/aniso8601/tests/test_date.py
+@@ -7,7 +7,10 @@
+ # of the BSD license. See the LICENSE file for details.
+
+ import unittest
+-import mock
++try:
++ from unittest import mock
++except ImportError:
++ import mock
+ import aniso8601
+
+ from aniso8601.exceptions import ISOFormatError
+diff --git a/aniso8601/tests/test_duration.py b/aniso8601/tests/test_duration.py
+index ed8383f..b835e1b 100644
+--- a/aniso8601/tests/test_duration.py
++++ b/aniso8601/tests/test_duration.py
+@@ -7,7 +7,10 @@
+ # of the BSD license. See the LICENSE file for details.
+
+ import unittest
+-import mock
++try:
++ from unittest import mock
++except ImportError:
++ import mock
+ import aniso8601
+
+ from aniso8601.exceptions import ISOFormatError, NegativeDurationError
+diff --git a/aniso8601/tests/test_interval.py b/aniso8601/tests/test_interval.py
+index d05909d..d14045d 100644
+--- a/aniso8601/tests/test_interval.py
++++ b/aniso8601/tests/test_interval.py
+@@ -7,7 +7,10 @@
+ # of the BSD license. See the LICENSE file for details.
+
+ import unittest
+-import mock
++try:
++ from unittest import mock
++except ImportError:
++ import mock
+ import aniso8601
+
+ from aniso8601.exceptions import ISOFormatError
+diff --git a/aniso8601/tests/test_time.py b/aniso8601/tests/test_time.py
+index 6cca13d..bade083 100644
+--- a/aniso8601/tests/test_time.py
++++ b/aniso8601/tests/test_time.py
+@@ -7,7 +7,10 @@
+ # of the BSD license. See the LICENSE file for details.
+
+ import unittest
+-import mock
++try:
++ from unittest import mock
++except ImportError:
++ import mock
+ import aniso8601
+
+ from aniso8601.resolution import TimeResolution
+diff --git a/aniso8601/tests/test_timezone.py b/aniso8601/tests/test_timezone.py
+index 77903cb..1f43052 100644
+--- a/aniso8601/tests/test_timezone.py
++++ b/aniso8601/tests/test_timezone.py
+@@ -7,7 +7,10 @@
+ # of the BSD license. See the LICENSE file for details.
+
+ import unittest
+-import mock
++try:
++ from unittest import mock
++except ImportError:
++ import mock
+ import aniso8601
+
+ from aniso8601.exceptions import ISOFormatError
+--
+2.20.1
+