Bytecompile the plugins explicitly

cura.spec

@@ -1,7 +1,7 @@
 Name:           cura
 Epoch:          1
 Version:        3.3.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        3D printer control software
 
 # https://lists.fedoraproject.org/archives/list/legal@lists.fedoraproject.org/thread/MOUNX6I3POCDMYWBNJ7JPLLIKVYWVRBJ/
@@ -13,7 +13,8 @@ Source0:        https://github.com/Ultimaker/Cura/archive/%{version}.tar.gz#/%{n
 BuildArch:      noarch
 
 # There are Python plugins in /usr/lib/cura
-# We need to byte-compile it with Python 3
+%global _python_bytecompile_extra 0
+# For backwards compatibility (not needed on F29+):
 %global __python %{__python3}
 
 BuildRequires:  cmake
@@ -94,6 +95,9 @@ popd
 rm -rf %{buildroot}%{_datadir}/%{name}/resources/themes/cura-light/fonts/
 ln -s %{_datadir}/fonts/open-sans/ %{buildroot}%{_datadir}/%{name}/resources/themes/cura-light/fonts
 
+# Bytecompile the plugins
+%py_byte_compile %{__python3} %{buildroot}%{_prefix}/lib/cura
+
 %find_lang cura
 %find_lang fdmextruder.def.json
 %find_lang fdmprinter.def.json
@@ -121,6 +125,9 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/%{name}.desktop
 %{_prefix}/lib/%{name}
 
 %changelog
+* Sun Jun 17 2018 Miro Hrončok <mhroncok@redhat.com> - 1:3.3.0-2
+- Bytecompile the plugins explicitly
+
 * Wed May 02 2018 Miro Hrončok <mhroncok@redhat.com> - 1:3.3.0-1
 - Update to 3.3.0
 - Enable test_getPropertyFallThrough again