diff --git a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/LicenseComparator.java b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/LicenseComparator.java
index 1fb8421804..db523ad1ac 100644
--- a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/LicenseComparator.java
+++ b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/LicenseComparator.java
@@ -1,10 +1,10 @@
 
 package eu.dnetlib.dhp.schema.common;
 
-import eu.dnetlib.dhp.schema.oaf.Qualifier;
-
 import java.util.Comparator;
 
+import eu.dnetlib.dhp.schema.oaf.Qualifier;
+
 public class LicenseComparator implements Comparator<Qualifier> {
 
 	@Override
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java
index 46fff2f425..5c89d5096f 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java
@@ -15,13 +15,13 @@ import static eu.dnetlib.dhp.schema.common.ModelConstants.DNET_ACCESS_MODES;
 
 import java.util.*;
 
-import eu.dnetlib.dhp.schema.common.LicenseComparator;
 import org.apache.commons.lang3.StringUtils;
 import org.dom4j.Document;
 import org.dom4j.DocumentFactory;
 import org.dom4j.DocumentHelper;
 import org.dom4j.Node;
 
+import eu.dnetlib.dhp.schema.common.LicenseComparator;
 import eu.dnetlib.dhp.schema.oaf.Author;
 import eu.dnetlib.dhp.schema.oaf.Context;
 import eu.dnetlib.dhp.schema.oaf.DataInfo;
@@ -361,9 +361,9 @@ public abstract class AbstractMdRecordToOafMapper {
 	protected static Qualifier getBestAccessRights(List<Instance> instanceList) {
 		if (instanceList != null) {
 			final Optional<Qualifier> min = instanceList
-					.stream()
-					.map(i -> i.getAccessright())
-					.min(new LicenseComparator());
+				.stream()
+				.map(i -> i.getAccessright())
+				.min(new LicenseComparator());
 
 			final Qualifier rights = min.isPresent() ? min.get() : new Qualifier();
 
@@ -371,7 +371,7 @@ public abstract class AbstractMdRecordToOafMapper {
 				rights.setClassid(UNKNOWN);
 			}
 			if (StringUtils.isBlank(rights.getClassname())
-					|| UNKNOWN.equalsIgnoreCase(rights.getClassname())) {
+				|| UNKNOWN.equalsIgnoreCase(rights.getClassname())) {
 				rights.setClassname(NOT_AVAILABLE);
 			}
 			if (StringUtils.isBlank(rights.getSchemeid())) {
diff --git a/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java
index e9ee2dabe9..b9da9fb297 100644
--- a/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java
+++ b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java
@@ -88,12 +88,13 @@ public class MappersTest {
 
 		assertNotNull(p.getInstance());
 		assertTrue(p.getInstance().size() > 0);
-		p.getInstance()
-				.stream()
-				.forEach(i -> {
-					assertNotNull(i.getAccessright());
-					assertEquals("OPEN", i.getAccessright().getClassid());
-				});
+		p
+			.getInstance()
+			.stream()
+			.forEach(i -> {
+				assertNotNull(i.getAccessright());
+				assertEquals("OPEN", i.getAccessright().getClassid());
+			});
 
 		assertNotNull(p.getBestaccessright());
 		assertEquals("OPEN", p.getBestaccessright().getClassid());
@@ -176,12 +177,13 @@ public class MappersTest {
 
 		assertNotNull(d.getInstance());
 		assertTrue(d.getInstance().size() > 0);
-		d.getInstance()
-				.stream()
-				.forEach(i -> {
-					assertNotNull(i.getAccessright());
-					assertEquals("OPEN", i.getAccessright().getClassid());
-				});
+		d
+			.getInstance()
+			.stream()
+			.forEach(i -> {
+				assertNotNull(i.getAccessright());
+				assertEquals("OPEN", i.getAccessright().getClassid());
+			});
 
 		assertValidId(r1.getSource());
 		assertValidId(r1.getTarget());