--- a/src/pyams_content/shared/site/__init__.py	Wed Apr 11 16:44:46 2018 +0200
+++ b/src/pyams_content/shared/site/__init__.py	Wed Apr 11 16:46:31 2018 +0200
@@ -21,12 +21,12 @@
 from pyams_content.component.theme.interfaces import IThemesTarget
 from pyams_content.features.preview.interfaces import IPreviewTarget
 from pyams_content.features.review.interfaces import IReviewTarget
+from pyams_content.shared.site.interfaces import ITopic, IWfTopic, TOPIC_CONTENT_NAME, \
+    TOPIC_CONTENT_TYPE, IWfTopicFactory
 from pyams_workflow.interfaces import IWorkflow, IWorkflowVersions, IWorkflowState
 
 # import packages
 from pyams_content.shared.common import SharedContent, WfSharedContent, register_content_type, IWfSharedContentFactory
-from pyams_content.shared.site.interfaces import ISiteContainer, ISiteFolder, ITopic, IWfTopic, TOPIC_CONTENT_NAME, \
-    TOPIC_CONTENT_TYPE, IWfTopicFactory
 from pyams_utils.adapter import adapter_config
 from zope.interface import implementer, provider