More explict exception messsage

zopefoundation · Jun 25, 2005 · f10cae0 · f10cae0
1 parent 792daa1
commit f10cae0
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/process.py b/process.py
@@ -335,8 +335,9 @@ def start(self, transition):
         if definition.andJoinSetting:
             if transition in self.incoming:
                 raise interfaces.ProcessError(
-                    "Repeated incoming transition while waiting for and "
-                    "completion")
+                    "Repeated incoming %s with id='%s' "
+                    "while waiting for and completion"
+                    %(transition, transition.id))
             self.incoming += (transition, )
 
             if len(self.incoming) < len(definition.incoming):