Remove dependency on unittest2

Add remove_unittest2.patch to facilitate that

OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-case?expand=0&rev=4

python-case.spec

@@ -1,7 +1,7 @@
 #
 # spec file for package python-case
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -23,25 +23,21 @@ Release:        0
 Summary:        Python unittest Utilities
 License:        BSD-3-Clause
 Group:          Development/Languages/Python
-Url:            http://github.com/celery/case
-Source:         https://pypi.io/packages/source/c/case/case-%{version}.tar.gz
+URL:            http://github.com/celery/case
+Source:         https://files.pythonhosted.org/packages/source/c/case/case-%{version}.tar.gz
+Patch:          remove_unittest2.patch
 BuildRequires:  %{python_module coverage}
 BuildRequires:  %{python_module mock}
 BuildRequires:  %{python_module nose}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module six}
+BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-BuildRequires:  python2-unittest2
 Requires:       python-mock >= 2.0
 Requires:       python-nose >= 1.3.7
 Requires:       python-setuptools
 Requires:       python-six
-%ifpython2
-Requires:       python-unittest2 >= 0.5.1
-%endif
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch
-
 %python_subpackages
 
 %description
@@ -49,19 +45,21 @@ Python unittest Utilities
 
 %prep
 %setup -q -n case-%{version}
+%autopatch -p1
 
 %build
 %python_build
 
 %install
 %python_install
+%python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
 %python_exec setup.py test
 
-%files %python_files
-%defattr(-,root,root,-)
-%doc Changelog LICENSE README.rst
+%files %{python_files}
+%license LICENSE
+%doc Changelog README.rst
 %{python_sitelib}/*
 
 %changelog