Update to follow latest Python guidelines

sword.spec

@@ -9,7 +9,7 @@ Summary:        Free Bible Software Project
 License:        GPLv2
 URL:            http://www.crosswire.org/sword/
 Source0:        http://www.crosswire.org/ftpmirror/pub/sword/source/v1.9/sword-%{version}.tar.gz
-BuildRequires: make
+BuildRequires:  make
 BuildRequires:  cmake
 BuildRequires:  cmake-data
 BuildRequires:  openssl-devel
@@ -65,6 +65,7 @@ latest at the time of the current library release.
 Summary: Python bindings for Sword
 Requires: %{name}%{?_isa} = %{epoch}:%{version}-%{release}
 Requires: python3
+%py_provides python3-Sword
 
 %description -n python3-sword
 Python bindings for The SWORD Library.
@@ -140,9 +141,8 @@ make tests
 %{_bindir}/emptyvss
 
 %files -n python3-sword
-%{python3_sitearch}/Sword.py
+%pycached %{python3_sitearch}/Sword.py
 %{python3_sitearch}/_Sword%{python3_ext_suffix}
-%{python3_sitearch}/__pycache__/*
 %{python3_sitearch}/sword-%{pkg_version}-py%{python3_version}.egg-info
 
 %files -n perl-sword