diff --git a/python-pychm.changes b/python-pychm.changes
index 693a159..9adeba9 100644
--- a/python-pychm.changes
+++ b/python-pychm.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Nov 21 12:02:27 UTC 2017 - mpluskal@suse.com
+
+- Convert to singlespec
+
 -------------------------------------------------------------------
 Fri Aug 15 21:42:38 UTC 2014 - toddrme2178@gmail.com
 
diff --git a/python-pychm.spec b/python-pychm.spec
index 6d5d088..573356c 100644
--- a/python-pychm.spec
+++ b/python-pychm.spec
@@ -1,6 +1,7 @@
+#
 # spec file for package python-pychm
 #
-# Copyright (c) 2014 SUSE LINUX Products 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
@@ -15,43 +16,49 @@
 #
 
 
-Name:           python-pychm
+%{?!python_module:%define python_module() python-%{**} python3-%{**}}
+%define skip_python3 1
+%define pkgname pychm
+Name:           python-%{pkgname}
 Version:        0.8.4.1
 Release:        0
-License:        GPL-2.0+
 Summary:        Python package to handle CHM files
+License:        GPL-2.0+
 Group:          Development/Libraries/Python
-URL:            https://github.com/dottedmag/pychm
-Source0:        https://pypi.python.org/packages/source/p/pychm/pychm-%{version}.tar.gz
-BuildRequires:  python-devel
-BuildRequires:  python-setuptools
+Url:            https://github.com/dottedmag/pychm
+Source0:        https://files.pythonhosted.org/packages/source/p/pychm/pychm-%{version}.tar.gz
+BuildRequires:  %{python_module devel}
+BuildRequires:  %{python_module setuptools}
 BuildRequires:  chmlib-devel
+BuildRequires:  fdupes
+BuildRequires:  python-rpm-macros
 BuildRequires:  swig
+%ifpython2
 Provides:       python-PyCHM = %{version}
-# change to < for next version (after 0.8.4.1)
+Provides:       python-pychm = %{version}
 Obsoletes:      python-PyCHM <= %{version}
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-%if 0%{?suse_version} <= 1110
-%{!?python_sitearch: %global python_sitearch %(python -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(1))")}
+Obsoletes:      python-pychm <= %{version}
 %endif
+%python_subpackages
 
 %description
 The chm package provides three modules, chm, chmlib and extra, which
 provide access to the API implemented by the C library chmlib and some
-additional classes and functions. They are used to access MS-ITSS 
-encoded files - Compressed Html Help files (.chm).
+additional classes and functions. They are used to access MS-ITSS encoded
+files - Compressed Html Help files (.chm).
 
 %prep
-%setup -q -n pychm-%{version}
+%setup -q -n %{pkgname}-%{version}
 
 %build
-CFLAGS="%{optflags}" python setup.py build
+export CFLAGS="%{optflags}"
+%python_build
 
 %install
-python setup.py install --root="%{buildroot}" --prefix="%{_prefix}"
+%python_install
+%fdupes %{buildroot}
 
-%files
-%defattr(-,root,root,-)
+%files %{python_files}
 %doc COPYING README
 %{python_sitearch}/*