bugfix

Author: Jordan Adler

tests/test_future/test_utils.py

@@ -369,7 +369,7 @@ def test_chained_exceptions_stacktrace(self):
                     raise_from(CustomException('ERROR'), val_err)
             except Exception as err:
                 ret = re.sub(r'"[^"]*tests/test_future', '"/opt/python-future/tests/test_future', traceback.format_exc())
-                ret = re.sub(r'"[^"]*src/future', '"/opt/python-future/src/future', ret)
+                ret = re.sub(r'"[^"]*future/utils/__init__.py', '"/opt/python-future/src/future/utils/__init__.py', ret)
                 ret = re.sub(r', line \d+,', ', line 1,', ret)
                 self.assertEqual(expected.splitlines(), ret.splitlines())
             else: