diff --git a/isort-4.3.21.tar.gz b/isort-4.3.21.tar.gz
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Binary files /dev/null and b/isort-4.3.21.tar.gz differ
diff --git a/isort-4.3.4.tar.gz b/isort-4.3.4.tar.gz
deleted file mode 100644
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diff --git a/python-isort.spec b/python-isort.spec
index 3fff5f6ccd62db4ecdad1f1f694530cd4ae5de9d..5dc27a3ceb5e9516d10c0b5fb0dda1510abe903d 100644
--- a/python-isort.spec
+++ b/python-isort.spec
@@ -1,26 +1,39 @@
-Name:               python-isort
-Version:            4.3.4
-Release:            7
-Summary:            A Python utility / library to sort imports
-
-License:            MIT
-URL:                https://github.com/timothycrosley/isort
-Source0:            https://github.com/timothycrosley/isort/archive/%{version}/isort-%{version}.tar.gz
-BuildArch:          noarch
-
+%global _empty_manifest_terminate_build 0
+Name:           python-isort
+Version:        4.3.21
+Release:        1
+Summary:        A Python utility / library to sort Python imports.
+License:        MIT
+URL:            https://github.com/timothycrosley/isort
+Source0:        https://files.pythonhosted.org/packages/43/00/8705e8d0c05ba22f042634f791a61f4c678c32175763dcf2ca2a133f4739/isort-4.3.21.tar.gz
+BuildArch:      noarch
 %description
 Isort is a Python utility / library to sort imports alphabetically, and automatically separated into sections and by type.
 
 %package -n python3-isort
-Summary:            A Python utility / library to sort imports
+Summary:        A Python utility / library to sort Python imports.
 %{?python_provide:%python_provide python3-isort}
-BuildRequires:      python3-devel python3-setuptools
-BuildRequires:      python3-mock python3-pytest
+
+# Base build requires
+BuildRequires:  python3-devel
+BuildRequires:  python3-setuptools
+BuildRequires:  python3-pbr
+BuildRequires:  python3-pip
+BuildRequires:  python3-wheel
+BuildRequires:  python3-pytest
+BuildRequires:  python3-mock
+BuildRequires:  python3-pylama
 
 %description -n python3-isort
 Isort is a Python utility / library to sort imports alphabetically, and automatically separated into sections and by type.
 Python 3 version.
 
+%package help
+Summary:        A Python utility / library to sort Python imports.
+Provides:       python3-isort-doc
+%description help
+A Python utility / library to sort Python imports.
+
 %prep
 %autosetup -n isort-%{version}
 sed -i -e '1{\@^#!.*@d}' isort/main.py
@@ -46,6 +59,9 @@ ln -s isort-3 %{buildroot}%{_bindir}/isort
 %{python3_sitelib}/isort-*.egg-info/
 
 %changelog
+* Mon Aug 02 2021 OpenStack_SIG <openstack@openeuler.org> - 4.3.21-1
+- Package upgrade to 4.3.21
+
 * Wed Aug 05 2020 lingsheng <lingsheng@huawei.com> - 4.3.4-7
 - Remove python2-isort subpackage