diff --git a/core/src/main/scala/flatgraph/DiffGraphApplier.scala b/core/src/main/scala/flatgraph/DiffGraphApplier.scala
index a6fe84ac..9312fcd2 100644
--- a/core/src/main/scala/flatgraph/DiffGraphApplier.scala
+++ b/core/src/main/scala/flatgraph/DiffGraphApplier.scala
@@ -8,7 +8,11 @@ import flatgraph.misc.SchemaViolationReporter
 import scala.collection.{Iterator, mutable}
 
 object DiffGraphApplier {
-  def applyDiff(graph: Graph, diff: DiffGraphBuilder, schemaViolationReporter: SchemaViolationReporter = new SchemaViolationReporter): Unit = {
+  def applyDiff(
+    graph: Graph,
+    diff: DiffGraphBuilder,
+    schemaViolationReporter: SchemaViolationReporter = new SchemaViolationReporter
+  ): Unit = {
     if (graph.isClosed) throw new GraphClosedException(s"graph cannot be modified any longer since it's closed")
     new DiffGraphApplier(graph, diff, schemaViolationReporter).applyUpdate()
     diff.buffer = null
diff --git a/core/src/main/scala/flatgraph/misc/SchemaViolationReporter.scala b/core/src/main/scala/flatgraph/misc/SchemaViolationReporter.scala
index d7605305..f60cb84b 100644
--- a/core/src/main/scala/flatgraph/misc/SchemaViolationReporter.scala
+++ b/core/src/main/scala/flatgraph/misc/SchemaViolationReporter.scala
@@ -5,23 +5,23 @@ import org.slf4j.LoggerFactory
 
 import scala.collection.mutable
 
-/** Illegal usage of node properties often roots in deserialising an old storage format, so we 
- *  don't want to error out but rather log a warning, and only do so once for each node/property combination. 
- */
+/** Illegal usage of node properties often roots in deserialising an old storage format, so we don't want to error out but rather log a
+  * warning, and only do so once for each node/property combination.
+  */
 class SchemaViolationReporter {
-  private val logger = LoggerFactory.getLogger(getClass)
-  private val loggedSchemaViolations = mutable.Set.empty[(Int, String|Int)] // (NodeKind, PropertyLabel|PropertyKind)
+  private val logger                 = LoggerFactory.getLogger(getClass)
+  private val loggedSchemaViolations = mutable.Set.empty[(Int, String | Int)] // (NodeKind, PropertyLabel|PropertyKind)
 
-  def illegalNodeProperty(nodeKind: Int, propertyIdentifier: String|Int, schema: Schema): Unit = {
+  def illegalNodeProperty(nodeKind: Int, propertyIdentifier: String | Int, schema: Schema): Unit = {
     if (loggedSchemaViolations.contains((nodeKind, propertyIdentifier))) {
       val contextBuilder = Seq.newBuilder[String]
-      
+
       contextBuilder += s"nodeKind=$nodeKind"
       schema.getNodeLabelMaybe(nodeKind).foreach { nodeLabel =>
         contextBuilder += s",nodeLabel=$nodeLabel"
       }
       propertyIdentifier match {
-        case name: String => 
+        case name: String =>
           contextBuilder += s",propertyName=$name"
         case kind: Int =>
           contextBuilder += s",propertyKind=$kind"
diff --git a/core/src/main/scala/flatgraph/traversal/Language.scala b/core/src/main/scala/flatgraph/traversal/Language.scala
index 8851a407..9b532199 100644
--- a/core/src/main/scala/flatgraph/traversal/Language.scala
+++ b/core/src/main/scala/flatgraph/traversal/Language.scala
@@ -600,7 +600,7 @@ class NodeSteps[A <: GNode](traversal: Iterator[A]) extends AnyVal {
 
   def property[@specialized ValueType](propertyKey: MultiPropertyKey[ValueType]): Iterator[ValueType] =
     traversal.flatMap(_.property(propertyKey))
-    
+
   def propertiesMap: Iterator[java.util.Map[String, AnyRef]] =
     traversal.map(_.propertiesMap)
 }
diff --git a/domain-classes-generator/src/main/scala/flatgraph/codegen/DomainClassesGenerator.scala b/domain-classes-generator/src/main/scala/flatgraph/codegen/DomainClassesGenerator.scala
index 9f2ac9c9..5992700f 100644
--- a/domain-classes-generator/src/main/scala/flatgraph/codegen/DomainClassesGenerator.scala
+++ b/domain-classes-generator/src/main/scala/flatgraph/codegen/DomainClassesGenerator.scala
@@ -691,7 +691,8 @@ class DomainClassesGenerator(schema: Schema) {
     }
     os.write(outputDir0 / "GraphSchema.scala", schemaFile)
 
-    os.write(outputDir0 / "PropertyErrorRegister.scala",
+    os.write(
+      outputDir0 / "PropertyErrorRegister.scala",
       s"""package $basePackage
          |
          |object PropertyErrorRegister {
diff --git a/tests/src/test/scala/flatgraph/GraphTests.scala b/tests/src/test/scala/flatgraph/GraphTests.scala
index 2818495a..03aeb7bf 100644
--- a/tests/src/test/scala/flatgraph/GraphTests.scala
+++ b/tests/src/test/scala/flatgraph/GraphTests.scala
@@ -14,15 +14,14 @@ import org.scalatest.wordspec.AnyWordSpec
 import scala.collection.mutable
 import scala.jdk.CollectionConverters.MapHasAsScala
 
-
 class GraphTests extends AnyWordSpec with MockFactory {
 
   "node property: log warning for schema-unconform property usage" in {
     // unknown node properties often root in deserialising an old storage format,
     // so we don't want to error out but rather log a warning
-    val genericDomain = GenericDomain.empty
-    val graph = genericDomain.graph
-    val schema = graph.schema
+    val genericDomain     = GenericDomain.empty
+    val graph             = genericDomain.graph
+    val schema            = graph.schema
     val Seq(nodeA, nodeB) = TestHelpers.addNodes(graph, Seq(NewNodeA(), NewNodeB()))
 
     val mockSchemaViolationReporter = mock[SchemaViolationReporter]
@@ -43,7 +42,6 @@ class GraphTests extends AnyWordSpec with MockFactory {
     genericDomain.nodeB.head.propertiesMap.asScala shouldBe Map()
   }
 
-
   /* sample graph:
    * L3 <- L2 <- L1 <- Center -> R1 -> R2 -> R3 -> R4 -> R5
    */