diff -up ruamel-yaml-171c3653fc01/_test/test_anchor.py.pytest27 ruamel-yaml-171c3653fc01/_test/test_anchor.py
--- ruamel-yaml-171c3653fc01/_test/test_anchor.py.pytest27	2016-09-21 02:09:18.000000000 -0600
+++ ruamel-yaml-171c3653fc01/_test/test_anchor.py	2017-01-31 15:25:09.245847125 -0700
@@ -5,6 +5,7 @@ testing of anchors and the aliases refer
 """
 
 import pytest
+from distutils.version import LooseVersion
 from textwrap import dedent
 import platform
 
@@ -231,6 +232,7 @@ class TestAnchorsAliases:
         """)
 
     # this is an error in PyYAML
+    @pytest.mark.skipif(LooseVersion(pytest.__version__) < LooseVersion("2.8"), reason="Need pytest 2.7")
     def test_reused_anchor(self):
         yaml = '''
         - &a