--- a/src/pyams_workflow/workflow.py	Wed Mar 18 10:07:51 2015 +0100
+++ b/src/pyams_workflow/workflow.py	Wed Mar 18 10:10:59 2015 +0100
@@ -16,9 +16,9 @@
 # import standard library
 
 # import interfaces
-from pyams_workflow.interfaces import MANUAL, IWorkflow, InvalidTransitionError, IWorkflowState, IWorkflowVersions, \
-    IWorkflowInfo, ConditionFailedError, WorkflowVersionTransitionEvent, WorkflowTransitionEvent, \
-    NoTransitionAvailableError, AmbiguousTransitionError, SYSTEM, AUTOMATIC, IWorkflowManagedContent, IWorkflowVersion
+from pyams_workflow.interfaces import MANUAL, SYSTEM, AUTOMATIC, IWorkflow, InvalidTransitionError, IWorkflowState, \
+    IWorkflowVersions, IWorkflowVersion, IWorkflowInfo, IWorkflowManagedContent, WorkflowVersionTransitionEvent, \
+    WorkflowTransitionEvent, ConditionFailedError, NoTransitionAvailableError, AmbiguousTransitionError
 
 # import packages
 from pyams_utils.adapter import adapter_config