diff --git a/python-mechanize.spec b/python-mechanize.spec
index 386aecc..b69aa65 100644
--- a/python-mechanize.spec
+++ b/python-mechanize.spec
@@ -1,14 +1,13 @@
 %define pkgname %(echo %name | cut -d- -f2- | tr - _)
 Name:          python-mechanize
 Version:       0.4.9
-Release:       1mamba
+Release:       2mamba
 Summary:       Stateful programmatic web browsing in Python
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://github.com/python-mechanize/mechanize
-#Source:        https://github.com/python-mechanize/mechanize.git/v%{version}/mechanize-%{version}.tar.bz2
 Source:        https://pypi.debian.net/mechanize/mechanize-%{version}.tar.gz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
@@ -19,24 +18,23 @@ BuildRequires: python3-devel >= 3.11.5-3mamba
 BuildRequires: python-build-py3
 BuildRequires: python-wheel-py3
 BuildRequires: python-python_install-py3
-BuildRequires: python-build-py310
-BuildRequires: python-wheel-py310
-BuildRequires: python-python_install-py310
 
 %description
 Stateful programmatic web browsing in Python, after Andy Lester’s Perl module WWW::Mechanize.
 
 %if 0%{?with_pyver}
+%if "%{?with_pyver}" == "3"
+%define py_requires_append \
+Obsoletes:     python-mechanize-py310 <= 0.4.9-1mamba
+%endif
 %pyver_package
 %endif
 
 %prep
 %setup -q -n mechanize-%{version}
-#%patch0 -p1
 
 %build
 %{__python} -m build --wheel --skip-dependency-check
-#--no-isolation
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -51,6 +49,9 @@ Stateful programmatic web browsing in Python, after Andy Lester’s Perl module
 %{python_sitelib}/%{pkgname}-%{version}.dist-info/*
 
 %changelog
+* Tue Mar 26 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 0.4.9-2mamba
+- obsolete python-mechanize-py310
+
 * Tue Nov 07 2023 Automatic Build System <autodist@mambasoft.it> 0.4.9-1mamba
 - automatic version update by autodist