Improve error message

epandurski · Feb 10, 2019 · eb16873 · eb16873
1 parent e7b27cd
commit eb16873
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/flask_signalbus/atomic.py b/flask_signalbus/atomic.py
@@ -73,7 +73,7 @@ def _conjure_instance(cls, *args, **kwargs):
                 session.rollback()
                 continue
             return instance
-        raise RuntimeError('Can not conjure an instance.')
+        raise RuntimeError('Can not conjure a "{}" instance.'.format(cls.__name__))
 
 
 class AtomicProceduresMixin(object):