diff --git a/checkbox-ng/plainbox/impl/session/assistant.py b/checkbox-ng/plainbox/impl/session/assistant.py
index 3a6d2015bb..0b1e69659c 100644
--- a/checkbox-ng/plainbox/impl/session/assistant.py
+++ b/checkbox-ng/plainbox/impl/session/assistant.py
@@ -339,9 +339,7 @@ def use_alternate_configuration(self, config):
             )
 
         self._match_qualifiers = []
-        for pattern in self._config.get_value(
-            "test selection", "match"
-        ):
+        for pattern in self._config.get_value("test selection", "match"):
             self._match_qualifiers.append(
                 RegExpJobQualifier(pattern, None, True)
             )