Clean up the SPEC file

OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-cassowary?expand=0&rev=5

python-cassowary.spec

@@ -24,13 +24,12 @@ Release:        0
 Summary:        A pure Python implementation of the Cassowary constraint solving algorithm
 License:        BSD-3-Clause
 Group:          Development/Languages/Python
-Url:            https://github.com/pybee/cassowary
+URL:            https://github.com/pybee/cassowary
 Source:         https://files.pythonhosted.org/packages/source/c/cassowary/cassowary-%{version}.tar.gz
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 BuildArch:      noarch
-
 %python_subpackages
 
 %description
@@ -54,8 +53,8 @@ layout mechanism.
 %endif
 
 %files %{python_files}
-%defattr(-,root,root,-)
-%doc AUTHORS LICENSE README.rst
+%license LICENSE
+%doc AUTHORS README.rst
 %{python_sitelib}/*
 
 %changelog