diff --git a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/ModelConstants.java b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/ModelConstants.java
index 92d4184cd..06781c474 100644
--- a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/ModelConstants.java
+++ b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/ModelConstants.java
@@ -142,15 +142,14 @@ public class ModelConstants {
 	public static final Qualifier MAIN_TITLE_QUALIFIER = qualifier(
 		"main title", "main title", DNET_DATACITE_TITLE, DNET_DATACITE_TITLE);
 
-
-	public static final AccessRight OPEN_ACCESS_RIGHT () {
+	public static final AccessRight OPEN_ACCESS_RIGHT() {
 
 		final AccessRight result = new AccessRight();
 		result.setClassid(ACCESS_RIGHT_OPEN);
 		result.setClassid(ACCESS_RIGHT_OPEN);
 		result.setSchemeid(ModelConstants.DNET_ACCESS_MODES);
 		result.setSchemename(ModelConstants.DNET_ACCESS_MODES);
-		return  result;
+		return result;
 	}
 
 	private static Qualifier qualifier(
diff --git a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/transformation/TransformSparkJobNode.java b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/transformation/TransformSparkJobNode.java
index c7ba700a0..a4ddd367b 100644
--- a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/transformation/TransformSparkJobNode.java
+++ b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/transformation/TransformSparkJobNode.java
@@ -111,7 +111,7 @@ public class TransformSparkJobNode {
 		log.info("workflowId is {}", workflowId);
 
 		MapFunction<MetadataRecord, MetadataRecord> x = TransformationFactory
-				.getTransformationPlugin(args, ct, isLookUpService);
+			.getTransformationPlugin(args, ct, isLookUpService);
 
 		final Dataset<MetadataRecord> inputMDStore = spark
 			.read()
diff --git a/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MigrateDbEntitiesApplicationTest.java b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MigrateDbEntitiesApplicationTest.java
index 203a2aae1..31ce3aaa6 100644
--- a/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MigrateDbEntitiesApplicationTest.java
+++ b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MigrateDbEntitiesApplicationTest.java
@@ -15,7 +15,6 @@ import java.sql.SQLException;
 import java.util.List;
 import java.util.Objects;
 
-import com.google.common.collect.Lists;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.junit.jupiter.api.BeforeEach;
@@ -27,6 +26,7 @@ import org.mockito.junit.jupiter.MockitoExtension;
 
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.collect.Lists;
 
 import eu.dnetlib.dhp.common.vocabulary.VocabularyGroup;
 import eu.dnetlib.dhp.schema.oaf.*;