use format()

buildtimetrend · Mar 13, 2016 · 7f86280 · 7f86280
1 parent 8e4734a
commit 7f86280
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/buildtimetrend/settings.py b/buildtimetrend/settings.py
@@ -202,11 +202,11 @@ def process_argv(self, argv):
             if argv is None:
                 return None
 
-            usage_string = '%s -h --log=<log_level> --build=<buildID>' \
+            usage_string = '{0!s} -h --log=<log_level> --build=<buildID>' \
                 ' --job=<jobID> --branch=<branchname> --repo=<repo_slug>' \
                 ' --ci=<ci_platform> --result=<build_result>' \
-                ' --mode=<storage_mode>' % \
-                argv[0]
+                ' --mode=<storage_mode>'
+            usage_string = usage_string.format(argv[0])
 
             options = {
                 "--build": "build",