Merge pull request pytest-dev#138 from jcfr/fix-py34-support

Fix pytest-devpi-server test on py34 updating "ruamel.yaml" requirements

Author: eeaston

pytest-devpi-server/setup.py

@@ -28,6 +28,9 @@
                     'devpi-server>=3.0.1',
                     'devpi-client',
                     'six',
+                    'ruamel.yaml>=0.15;python_version == "2.7"',
+                    'ruamel.yaml>=0.15,<=0.15.94;python_version == "3.4"',
+                    'ruamel.yaml>=0.15;python_version > "3.4"',
                     ]
 
 tests_require = []