diff --git a/jsprit-io/src/main/java/com/graphhopper/jsprit/io/problem/VrpXMLWriter.java b/jsprit-io/src/main/java/com/graphhopper/jsprit/io/problem/VrpXMLWriter.java
index dcd7242d..e7f846aa 100644
--- a/jsprit-io/src/main/java/com/graphhopper/jsprit/io/problem/VrpXMLWriter.java
+++ b/jsprit-io/src/main/java/com/graphhopper/jsprit/io/problem/VrpXMLWriter.java
@@ -31,7 +31,6 @@ import com.graphhopper.jsprit.core.problem.vehicle.Vehicle;
 import com.graphhopper.jsprit.core.problem.vehicle.VehicleType;
 import com.graphhopper.jsprit.core.util.Solutions;
 import com.graphhopper.jsprit.core.util.VehicleIndexComparator;
-
 import org.apache.commons.configuration.ConfigurationException;
 import org.apache.commons.configuration.XMLConfiguration;
 import org.apache.xml.serialize.OutputFormat;