diff --git a/python-positional.changes b/python-positional.changes
index 5d0e5bc..83284ec 100644
--- a/python-positional.changes
+++ b/python-positional.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Dec  1 07:21:09 UTC 2017 - dmueller@suse.com
+
+- convert to singlespec
+
 -------------------------------------------------------------------
 Wed Sep 21 14:09:37 UTC 2016 - dmueller@suse.com
 
diff --git a/python-positional.spec b/python-positional.spec
index c73c8fd..f3cd298 100644
--- a/python-positional.spec
+++ b/python-positional.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-positional
 #
-# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,6 +16,7 @@
 #
 
 
+%{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-positional
 Version:        1.1.1
 Release:        0
@@ -23,12 +24,14 @@ Summary:        Library to enforce positional or key-word arguments
 License:        Apache-2.0
 Group:          Development/Languages/Python
 Url:            https://github.com/morganfainberg/positional
-Source:         https://pypi.io/packages/source/p/positional/positional-%{version}.tar.gz
-BuildRequires:  python-devel
-BuildRequires:  python-pbr
-BuildRequires:  python-setuptools
+Source:         https://files.pythonhosted.org/packages/source/p/positional/positional-%{version}.tar.gz
+BuildRequires:  %{python_module devel}
+BuildRequires:  %{python_module pbr}
+BuildRequires:  %{python_module setuptools}
+BuildRequires:  python-rpm-macros
 Requires:       python-wrapt
 BuildArch:      noarch
+%python_subpackages
 
 %description
 `positional` provides a decorator which enforces only some args may be passed
@@ -39,13 +42,12 @@ of the google-api client.
 %setup -q -n positional-%{version}
 
 %build
-%{__python} setup.py build
+%python_build
 
 %install
-%{__python} setup.py install --prefix=%{_prefix} --root=%{buildroot}
+%python_install
 
-%files
-%defattr(-,root,root,-)
+%files %{python_files}
 %doc LICENSE
 %doc README.rst
 %{python_sitelib}/positional