pytest >=2.1.3
tox >=1.2
lxml >=2.3.2
requests >=0.12.1
PyYAML >=3.10

pytest >=2.1.3
tox >=1.2
lxml >=2.3.2
requests <0.13.4
PyYAML >=3.10

Use older py-requests to stop downburst breakage. Newer version of requests breaks downburst so this is change is to make sure that the newer requests is not used until a downburst can be modified to properly use the new version.
Requirements: Use older py-requests to stop downburst breakage.
Newer version of requests breaks downburst so this is change is to
make sure that the newer requests is not used until a downburst can
be modified to properly use the new version.

Signed-off-by: Sandon Van Ness <a38d61b815b8053a15c463c80449b5c080334ec7@inktank.com>
Reviewed-by: Dan Mick <b07550071eaa6a9296289c43bbd6c90559196431@inktank.com>
