Downgrade pytest to 3.5.1

work around bug pytest-dev/pytest#3506

Signed-off-by: Philippe Ombredanne <[email protected]>

Author: pombredanne

thirdparty/dev/pytest-3.5.1-py2.py3-none-any.whl

@@ -1,9 +1,9 @@
-about_resource: pytest-3.6.0-py2.py3-none-any.whl
-download_url: https://files.pythonhosted.org/packages/62/59/950a805f90587d6e2f3692cf43700becb7cdf6c16b06d84e7516b199236b/pytest-3.6.0-py2.py3-none-any.whl
-version: 3.6.0
+about_resource: pytest-3.5.1-py2.py3-none-any.whl
+download_url: https://files.pythonhosted.org/packages/76/52/fc48d02492d9e6070cb672d9133382e83084f567f88eff1c27bd2c6c27a8/pytest-3.5.1-py2.py3-none-any.whl
+version: 3.5.1
 
 name: pytest
-description: "pytest: simple powerful testing with Python"
+description: simple powerful testing with Python
 homepage_url: http://pytest.org
 owner: Holger Krekel, Benjamin Peterson, Ronny Pfannschmidt, Floris Bruynooghe and others
 contact: holger at merlinux.eu