Index: pbr-4.0.3/setup.cfg
===================================================================
--- pbr-4.0.3.orig/setup.cfg
+++ pbr-4.0.3/setup.cfg
@@ -55,7 +55,6 @@ console_scripts =
 all-files = 1
 build-dir = doc/build
 source-dir = doc/source
-warning-is-error = 1
 
 [wheel]
 universal = 1