tighten provides filtering

*.so only

python-qt5.spec

@@ -84,7 +84,7 @@ BuildRequires: qt5-qtbase-private-devel
 %{?_qt5:Requires: %{_qt5}%{?_isa} = %{_qt5_version}}
 %{?_sip_api:Requires: sip-api(%{_sip_api_major}) >= %{_sip_api}}
 
-%global __provides_exclude_from ^(%{python2_sitearch}/.*|%{python3_sitearch}/.*|%{_qt5_plugindir}/.*)$
+%global __provides_exclude_from ^(%{python2_sitearch}/.*\\.so|%{python3_sitearch}/.*\\.so|%{_qt5_plugindir}/.*\\.so)$
 
 Provides: PyQt5 = %{version}-%{release}
 Provides: PyQt5%{?_isa} = %{version}-%{release}