Return back incorrectly dropped python3 build dependency

evolution-data-server.spec

@@ -71,6 +71,7 @@ BuildRequires: gtk-doc >= %{gtk_doc_version}
 BuildRequires: intltool >= %{intltool_version}
 BuildRequires: libdb-devel
 BuildRequires: perl-generators
+BuildRequires: python3
 BuildRequires: vala
 BuildRequires: vala-tools
 BuildRequires: sendmail
@@ -437,7 +438,6 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas &>/dev/null || :
 %changelog
 * Mon Apr 09 2018 Milan Crha <mcrha@redhat.com> - 3.28.1-1
 - Update to 3.28.1
-- Drop build dependency on python3
 
 * Mon Mar 12 2018 Milan Crha <mcrha@redhat.com> - 3.28.0-1
 - Update to 3.28.0