Update Python 2 dependency declarations to new packaging standards

python-defusedxml.spec

@@ -14,7 +14,7 @@
 
 Name:           python-%{pypi_name}
 Version:        0.5.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        XML bomb protection for Python stdlib modules
 License:        Python
 URL:            https://github.com/tiran/defusedxml
@@ -24,7 +24,7 @@ BuildArch:      noarch
 
 BuildRequires:  python2-devel
 # No python2-setuptools on EL 7
-BuildRequires:  python-setuptools
+BuildRequires:  python2-setuptools
 
 %if 0%{with_python3}
 BuildRequires:  python%{python3_pkgversion}-devel
@@ -130,6 +130,10 @@ module. This is the python%{python3_other_pkgversion} build.
 %endif # with_python3
 
 %changelog
+* Mon Feb 12 2018 Iryna Shcherbina <ishcherb@redhat.com> - 0.5.0-4
+- Update Python 2 dependency declarations to new packaging standards
+  (See https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3)
+
 * Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.5.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild