disable refnanny on Py3

diff --git a/runtests.py b/runtests.py
index 8e8925e1deefda6157df2d9afd19727ee401eda7..a3f7f0439cbdfa74e70b44329fbea52ccdc5618d 100644 (file)
--- a/runtests.py
+++ b/runtests.py
@@ -483,7 +483,7 @@ if __name__ == '__main__':
                       action="store_true", default=False,
                       help="only compile pyx to c, do not run C compiler or run the tests")
     parser.add_option("--no-refnanny", dest="with_refnanny",
-                      action="store_false", default=True,
+                      action="store_false", default=(sys.version_info[0] < 3),
                       help="do not regression test reference counting")
     parser.add_option("--sys-pyregr", dest="system_pyregr",
                       action="store_true", default=False,