Enable python dependency generator

References: https://fedoraproject.org/wiki/Changes/EnablingPythonGeneratorsByDefault
Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

pywbem.spec

@@ -1,3 +1,4 @@
+%{?python_enable_dependency_generator}
 %global py2_build_dir %{_builddir}/%{name}-%{version}-%{release}-python2
 
 %if 0%{?rhel} > 7 || 0%{?fedora} > 28
@@ -8,9 +9,8 @@
 
 Name:           pywbem
 Version:        0.12.6
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Python WBEM client interface and related utilities
-Group:          Development/Libraries
 License:        LGPLv2
 URL:            https://github.com/pywbem/pywbem
 Source0:        https://github.com/pywbem/pywbem/archive/v%{version}/%{name}-%{version}.tar.gz
@@ -53,10 +53,8 @@ Obsoletes: pywbem < %{version}-%{release}
 %endif
 
 %package -n python3-pywbem
-Group:          Development/Libraries
 Summary:        Python3 WBEM Client and Provider Interface
 BuildArch:      noarch
-Requires:       python3-PyYAML python3-six python3-ply python3-mock python3-pbr
 
 %description -n python3-pywbem
 A WBEM client allows issuing operations to a WBEM server, using the CIM
@@ -67,7 +65,6 @@ for more information about WBEM.
 
 %if %{with python2}
 %package twisted
-Group:          Development/Libraries
 Summary:        WBEM client bindings for Twisted Python
 Requires:       python2-twisted
 Requires:       %{name} = %{version}-%{release}
@@ -136,6 +133,9 @@ rm -rf %{buildroot}/usr/bin/*.bat
 %doc README.rst
 
 %changelog
+* Fri Jan 11 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.12.6-2
+- Enable python dependency generator
+
 * Wed Dec 26 2018 Gris Ge <fge@redhat.com> - 0.12.6-1
 - Upgrade to 0.12.6