File remove_unittest2.patch of Package python-funcsigs

--- a/setup.py
+++ b/setup.py
@@ -47,6 +47,5 @@ setup(
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Software Development :: Libraries :: Python Modules'
     ],
-    tests_require = ['unittest2'],
-    test_suite = 'unittest2.collector',
+    test_suite = 'tests',
 )
--- a/tests/test_formatannotation.py
+++ b/tests/test_formatannotation.py
@@ -1,6 +1,6 @@
 import funcsigs
 
-import unittest2 as unittest
+import unittest
 
 class TestFormatAnnotation(unittest.TestCase):
     def test_string (self):
--- a/tests/test_funcsigs.py
+++ b/tests/test_funcsigs.py
@@ -1,4 +1,4 @@
-import unittest2 as unittest
+import unittest
 
 import doctest
 import sys
--- a/tests/test_inspect.py
+++ b/tests/test_inspect.py
@@ -4,10 +4,13 @@ import collections
 import functools
 import sys
 
-import unittest2 as unittest
+import unittest
 
 import funcsigs as inspect
 
+if not hasattr(unittest, 'assertRaisesRegex'):
+    setattr(unittest.TestCase, 'assertRaisesRegex',
+            unittest.TestCase.assertRaisesRegexp)
 
 class TestSignatureObject(unittest.TestCase):
     @staticmethod