Replace assert_not_equal with assertNotEqual

Author: Harmon758

git/test/lib/asserts.py

@@ -7,12 +7,11 @@
 from unittest.mock import patch
 
 from nose.tools import (
-    assert_not_equal,   # @UnusedImport
     assert_raises,      # @UnusedImport
     raises,             # @UnusedImport
     assert_true,        # @UnusedImport
     assert_false        # @UnusedImport
 )
 
-__all__ = ['assert_not_equal', 'assert_raises', 'patch', 'raises',
+__all__ = ['assert_raises', 'patch', 'raises',
            'assert_true', 'assert_false']

git/test/test_commit.py

@@ -22,7 +22,6 @@
 from git.repo.fun import touch
 from git.test.lib import (
     TestBase,
-    assert_not_equal,
     with_rw_repo,
     fixture_path,
     StringProcessAdapter
@@ -254,7 +253,7 @@ def test_equality(self):
         commit2 = Commit(self.rorepo, Commit.NULL_BIN_SHA)
         commit3 = Commit(self.rorepo, "\1" * 20)
         self.assertEqual(commit1, commit2)
-        assert_not_equal(commit2, commit3)
+        self.assertNotEqual(commit2, commit3)
 
     def test_iter_parents(self):
         # should return all but ourselves, even if skip is defined