diff --git a/devel/Makefile b/devel/Makefile
index 8f0128bb5cc6..b06df1e2a1f7 100644
--- a/devel/Makefile
+++ b/devel/Makefile
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.3478 2021/07/29 21:18:37 fcambus Exp $
+# $NetBSD: Makefile,v 1.3479 2021/07/30 17:37:36 adam Exp $
 #
 
 COMMENT=	Development utilities
@@ -2363,6 +2363,7 @@ SUBDIR+=	py-ipython_genutils
 SUBDIR+=	py-iso-639
 SUBDIR+=	py-iso3166
 SUBDIR+=	py-isort
+SUBDIR+=	py-isort4
 SUBDIR+=	py-itanium_demangler
 SUBDIR+=	py-jaraco.classes
 SUBDIR+=	py-jaraco.functools
diff --git a/devel/py-isort4/ALTERNATIVES b/devel/py-isort4/ALTERNATIVES
new file mode 100644
index 000000000000..abaf8726f880
--- /dev/null
+++ b/devel/py-isort4/ALTERNATIVES
@@ -0,0 +1 @@
+bin/isort @PREFIX@/bin/isort-@PYVERSSUFFIX@
diff --git a/devel/py-isort4/DESCR b/devel/py-isort4/DESCR
new file mode 100644
index 000000000000..4f1453523422
--- /dev/null
+++ b/devel/py-isort4/DESCR
@@ -0,0 +1,4 @@
+isort is a Python utility / library to sort imports alphabetically,
+and automatically separated into sections. It provides a command
+line utility, Python library and plugins for various editors to
+quickly sort all your imports.
diff --git a/devel/py-isort4/Makefile b/devel/py-isort4/Makefile
new file mode 100644
index 000000000000..23fb8df3fd7d
--- /dev/null
+++ b/devel/py-isort4/Makefile
@@ -0,0 +1,34 @@
+# $NetBSD: Makefile,v 1.1 2021/07/30 17:37:36 adam Exp $
+
+DISTNAME=	isort-4.3.21
+PKGNAME=	${PYPKGPREFIX}-${DISTNAME}
+CATEGORIES=	devel python
+MASTER_SITES=	${MASTER_SITE_PYPI:=i/isort/}
+
+MAINTAINER=	pkgsrc-users@NetBSD.org
+HOMEPAGE=	https://github.com/timothycrosley/isort
+COMMENT=	Python utility / library to sort imports
+LICENSE=	mit
+
+DEPENDS+=	${PYPKGPREFIX}-lama-[0-9]*:../../devel/py-lama
+
+PYTHON_VERSIONED_DEPENDENCIES=	test:test
+
+.include "../../lang/python/pyversion.mk"
+.if ${_PYTHON_VERSION} == 27
+DEPENDS+=	${PYPKGPREFIX}-backports.functools_lru_cache-[0-9]*:../../devel/py-backports.functools_lru_cache
+DEPENDS+=	${PYPKGPREFIX}-futures-[0-9]*:../../devel/py-futures
+.endif
+
+USE_LANGUAGES=	# none
+
+post-install:
+	cd ${DESTDIR}${PREFIX}/bin && \
+	${MV} isort isort-${PYVERSSUFFIX} || ${TRUE}
+
+do-test:
+	cd ${WRKSRC} && ${SETENV} ${TEST_ENV} pytest-${PYVERSSUFFIX} test_isort.py
+
+.include "../../lang/python/egg.mk"
+.include "../../lang/python/versioned_dependencies.mk"
+.include "../../mk/bsd.pkg.mk"
diff --git a/devel/py-isort4/PLIST b/devel/py-isort4/PLIST
new file mode 100644
index 000000000000..ec766a1aca5f
--- /dev/null
+++ b/devel/py-isort4/PLIST
@@ -0,0 +1,41 @@
+@comment $NetBSD: PLIST,v 1.1 2021/07/30 17:37:37 adam Exp $
+bin/isort-${PYVERSSUFFIX}
+${PYSITELIB}/${EGG_INFODIR}/PKG-INFO
+${PYSITELIB}/${EGG_INFODIR}/SOURCES.txt
+${PYSITELIB}/${EGG_INFODIR}/dependency_links.txt
+${PYSITELIB}/${EGG_INFODIR}/entry_points.txt
+${PYSITELIB}/${EGG_INFODIR}/requires.txt
+${PYSITELIB}/${EGG_INFODIR}/top_level.txt
+${PYSITELIB}/isort/__init__.py
+${PYSITELIB}/isort/__init__.pyc
+${PYSITELIB}/isort/__init__.pyo
+${PYSITELIB}/isort/__main__.py
+${PYSITELIB}/isort/__main__.pyc
+${PYSITELIB}/isort/__main__.pyo
+${PYSITELIB}/isort/finders.py
+${PYSITELIB}/isort/finders.pyc
+${PYSITELIB}/isort/finders.pyo
+${PYSITELIB}/isort/hooks.py
+${PYSITELIB}/isort/hooks.pyc
+${PYSITELIB}/isort/hooks.pyo
+${PYSITELIB}/isort/isort.py
+${PYSITELIB}/isort/isort.pyc
+${PYSITELIB}/isort/isort.pyo
+${PYSITELIB}/isort/main.py
+${PYSITELIB}/isort/main.pyc
+${PYSITELIB}/isort/main.pyo
+${PYSITELIB}/isort/natural.py
+${PYSITELIB}/isort/natural.pyc
+${PYSITELIB}/isort/natural.pyo
+${PYSITELIB}/isort/pie_slice.py
+${PYSITELIB}/isort/pie_slice.pyc
+${PYSITELIB}/isort/pie_slice.pyo
+${PYSITELIB}/isort/pylama_isort.py
+${PYSITELIB}/isort/pylama_isort.pyc
+${PYSITELIB}/isort/pylama_isort.pyo
+${PYSITELIB}/isort/settings.py
+${PYSITELIB}/isort/settings.pyc
+${PYSITELIB}/isort/settings.pyo
+${PYSITELIB}/isort/utils.py
+${PYSITELIB}/isort/utils.pyc
+${PYSITELIB}/isort/utils.pyo
diff --git a/devel/py-isort4/distinfo b/devel/py-isort4/distinfo
new file mode 100644
index 000000000000..393d6562ff6f
--- /dev/null
+++ b/devel/py-isort4/distinfo
@@ -0,0 +1,6 @@
+$NetBSD: distinfo,v 1.1 2021/07/30 17:37:37 adam Exp $
+
+SHA1 (isort-4.3.21.tar.gz) = 039126857536033900c81923af241a963d891654
+RMD160 (isort-4.3.21.tar.gz) = f3905a2005ed7df9127161d1561f786addcde7fc
+SHA512 (isort-4.3.21.tar.gz) = 2a35107baf7c78c03bab3ea2fadd0c6cbc8db219acd388600b01ace27c91e6c651355e1ecfeb03b1ef2893a1d066b3d2f182a0008e3c341193ac156b8aea0dc2
+Size (isort-4.3.21.tar.gz) = 69546 bytes