Cap pbr version

This is a workaround oslo.config related failures on readthedocs.

Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index cf2a404d..4fc4d45f 100644
--- a/setup.py
+++ b/setup.py
@@ -26,5 +26,5 @@ import ryu.hooks
 
 ryu.hooks.save_orig()
 setuptools.setup(name='ryu',
-                 setup_requires=['pbr'],
+                 setup_requires=['pbr<1.0'],
                  pbr=True)