Limit workaround to affected Python
@@ -6,7 +6,7 @@ minversion = 2.4
deps =
setuptools>=31.0.1
# workaround for yaml/pyyaml#126
- # git+https://github.com/yaml/pyyaml@master#egg=pyyaml
+ # git+https://github.com/yaml/pyyaml@master#egg=pyyaml;python_version=="3.7"
commands =
py.test {posargs}
python setup.py checkdocs
