Updated from global requirements

Change-Id: Ic33376d005aa07d377af183ba3537c6c1ee22c21

Author: OpenStack Proposal Bot

requirements.txt

@@ -8,7 +8,7 @@ Babel>=2.3.4 # BSD
 cliff!=1.16.0,!=1.17.0,>=1.15.0 # Apache-2.0
 keystoneauth1>=2.10.0 # Apache-2.0
 openstacksdk>=0.9.0 # Apache-2.0
-os-client-config>=1.13.1 # Apache-2.0
+os-client-config!=1.19.0,>=1.13.1 # Apache-2.0
 osc-lib>=0.4.0 # Apache-2.0
 oslo.config>=3.14.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0