diff --git a/python-pymetar.changes b/python-pymetar.changes
index d289ec6..8ba9e88 100644
--- a/python-pymetar.changes
+++ b/python-pymetar.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Sep 12 18:10:26 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
+
+- Fix obsoletion and migration from version 0.20
+
 -------------------------------------------------------------------
 Wed Jun 19 14:14:29 UTC 2019 - Marketa Calabkova <mcalabkova@suse.com>
 
diff --git a/python-pymetar.spec b/python-pymetar.spec
index c1e5f34..e863844 100644
--- a/python-pymetar.spec
+++ b/python-pymetar.spec
@@ -18,6 +18,7 @@
 
 
 %define         modname pymetar
+%define         oldpython python
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 %define skip_python2 1
 Name:           python-%{modname}
@@ -26,16 +27,13 @@ Release:        0
 Summary:        METAR weather report parser
 License:        GPL-2.0-or-later
 Group:          Development/Languages/Python
-URL:            http://www.schwarzvogel.de/software-pymetar.shtml
+URL:            https://www.schwarzvogel.de/software-pymetar.shtml
 Source0:        http://www.schwarzvogel.de/pkgs/pymetar-%{version}.tar.gz
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-%if 0%{?suse_version}
-%if 0%{?suse_version} > 1110
+Obsoletes:      %{oldpython}-%{modname}
 BuildArch:      noarch
-%endif
-%endif
 %python_subpackages
 
 %description
@@ -50,6 +48,8 @@ it and provides easy access to all the data found in the report.
 
 %install
 %python_install
+# we install docs on our own
+rm -r %{buildroot}%{_datadir}/doc/
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
@@ -59,12 +59,11 @@ mkdir logs
 ./runtests.sh
 cd -
 
-%files %python_files
+%files %{python_files}
 %doc README.md
 %license COPYING
-%{_bindir}/%{modname}
+%python3_only %{_bindir}/%{modname}
 %{python_sitelib}/*
-%{_datadir}/doc/%{modname}-%{version}/
-%{_mandir}/man1/%{modname}.1%{?ext_man}
+%python3_only %{_mandir}/man1/%{modname}.1%{?ext_man}
 
 %changelog