[dak/master] add missing call to `.format()` method

[Ansgar Burchardt <ansgar@debian.org>]

---
 daklib/checks.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/daklib/checks.py b/daklib/checks.py
index 86c463c..c1691b7 100644
--- a/daklib/checks.py
+++ b/daklib/checks.py
@@ -786,7 +786,7 @@ class NoSourceOnlyCheck(Check):
                           'oldoldstable-backports', 'oldoldstable-backports-sloppy',
                           'wheezy-backports', 'wheezy-backports-sloppy'):
                 if suite in changes.distributions:
-                    raise Reject('Suite {} is not configured to build arch:all packages. Please include them in your upload')
+                    raise Reject('Suite {} is not configured to build arch:all packages. Please include them in your upload'.format(suite))
 
         return True
 
-- 
2.1.4