diff --git a/python-singledispatch.spec b/python-singledispatch.spec
index e8c37c2..8403912 100644
--- a/python-singledispatch.spec
+++ b/python-singledispatch.spec
@@ -1,6 +1,6 @@
 Name:           python-singledispatch
 Version:        3.4.0.3
-Release:        14
+Release:        15
 Summary:        Transform a method into a single-dispatch generic function
 License:        MIT
 URL:            https://pypi.org/project/singledispatch/
@@ -11,21 +11,7 @@ BuildArch:      noarch
 %description
 PEP 443 proposed to expose a mechanism in the functools standard library module in Python 3.4
 that provides a simple form of generic programming known as single-dispatch generic functions.
-This library is a backport of this functionality to Python 2.6 - 3.3.
-
-%package -n python2-singledispatch
-Summary:        Transform a method into a single-dispatch generic function
-%{?python_provide:%python_provide python2-singledispatch}
-Provides:       python-singledispatch = %{version}-%{release}
-Obsoletes:      python-singledispatch < 3.4.0.3-2
-
-BuildRequires:  python2-devel python2-setuptools python2-six
-Requires:       python2-six
-
-%description -n python2-singledispatch
-PEP 443 proposed to expose a mechanism in the functools standard library module in Python 3.4
-that provides a simple form of generic programming known as single-dispatch generic functions.
-This library is a backport of this functionality to Python 2.6 - 3.3.
+This library is a backport of this functionality to Python 3.3.
 
 %package -n python3-singledispatch
 Summary:        Transform a method into a single-dispatch generic function
@@ -36,7 +22,7 @@ Requires:       python3-six
 %description -n python3-singledispatch
 PEP 443 proposed to expose a mechanism in the functools standard library module in Python 3.4
 that provides a simple form of generic programming known as single-dispatch generic functions.
-This library is a backport of this functionality to Python 2.6 - 3.3.
+This library is a backport of this functionality to Python 3.3.
 
 %prep
 %autosetup -n singledispatch-%{version} -p1
@@ -45,23 +31,14 @@ sed -i '1d' singledispatch.py
 sed -i '1d' singledispatch_helpers.py
 
 %build
-%{__python2} setup.py build
 %{__python3} setup.py build
 
 %install
-%{__python2} setup.py install --skip-build --root %{buildroot}
 %{__python3} setup.py install --skip-build --root %{buildroot}
 
 %check
-%{__python2} setup.py test
 %{__python3} setup.py test
 
-%files -n python2-singledispatch
-%doc README.rst
-%{python2_sitelib}/singledispatch-%{version}-py?.?.egg-info
-%{python2_sitelib}/singledispatch.py*
-%{python2_sitelib}/singledispatch_helpers.py*
-
 %files -n python3-singledispatch
 %doc README.rst
 %{python3_sitelib}/singledispatch-%{version}-py?.?.egg-info
@@ -70,7 +47,8 @@ sed -i '1d' singledispatch_helpers.py
 %{python3_sitelib}/__pycache__/*
 
 %changelog
-* Tue Nov 19 2019 openEuler Buildteam <buildteam@openeuler.org> - 0.1.11-2
+* Wed Oct 21 2020 zhanghua <zhanghua40@huawei.com> - 3.4.0.3-15
+- remove python2 subpackage, fix changelog version as 3.4.0.3
+
+* Tue Nov 19 2019 openEuler Buildteam <buildteam@openeuler.org> - 3.4.0.3-14
 - Package init
-
-