diff --git a/src/main/java/org/gcube/portlets/user/td/statisticalwidget/client/StatisticalWidget.java b/src/main/java/org/gcube/portlets/user/td/statisticalwidget/client/StatisticalWidget.java
index 4b7809e..190a72a 100644
--- a/src/main/java/org/gcube/portlets/user/td/statisticalwidget/client/StatisticalWidget.java
+++ b/src/main/java/org/gcube/portlets/user/td/statisticalwidget/client/StatisticalWidget.java
@@ -6,7 +6,6 @@ import java.util.Map;
 
 import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTSessionExpiredException;
-import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.TabResource;
 import org.gcube.portlets.user.td.statisticalwidget.client.stat.TDExternalTable;
 import org.gcube.portlets.user.td.statisticalwidget.client.stat.TDSubmissionHandler;
@@ -14,6 +13,7 @@ import org.gcube.portlets.user.td.statisticalwidget.client.utils.UtilsGXT3;
 import org.gcube.portlets.user.td.widgetcommonevent.client.event.SessionExpiredEvent;
 import org.gcube.portlets.user.td.widgetcommonevent.client.type.SessionExpiredType;
 import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnData;
 import org.gcube.portlets.widgets.StatisticalManagerAlgorithmsWidget.client.ExternalTable;
 import org.gcube.portlets.widgets.StatisticalManagerAlgorithmsWidget.client.StatisticalManagerExperimentsWidget;