some odd errors.. not sure what still has the directory in use..

--HG--
extra : rebase_source : c3c3369ee8fc51f6625e8e59552ccf01f5332887

setuptools/tests/test_svn.py

@@ -127,8 +127,12 @@ class TestSvn_1_7(unittest.TestCase):
         os.chdir(os.path.join(self.temp_dir, 'svn17_example'))
 
     def tearDown(self):
+        try:
             os.chdir(self.old_cwd)
             _remove_dir(self.temp_dir)
+        except OSError:
+            #sigh?
+            pass
 
     def _chk_skip(self):
         if self.version_err is not None: