let's try swap memory

Author: Jolanrensen

.github/workflows/publish_dev_version.yml

@@ -60,6 +60,11 @@ jobs:
  - name: Setup Gradle
  uses: gradle/gradle-build-action@v2
 
+ - name: Set Swap Space
+ uses: pierotofy/set-swap-space@master
+ with:
+ swap-size-gb: 10
+
  - name: Deploy to GH Packages with Gradle
  env:
  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

kotlin-spark-api/src/test/kotlin/org/jetbrains/kotlinx/spark/api/UdtTest.kt

@@ -28,7 +28,6 @@ import org.apache.spark.sql.catalyst.expressions.GenericInternalRow
 import org.apache.spark.sql.types.*
 import org.apache.spark.unsafe.types.UTF8String
 import org.jetbrains.kotlinx.spark.api.tuples.t
-import java.io.Serializable
 import kotlin.reflect.jvm.jvmName
 
 class UdtTest : ShouldSpec({