remove ambigous refrence to SaveMode

Author: Hebaallahibrahim

sansa-inference-spark/src/main/scala/net/sansa_stack/inference/spark/data/loader/RDFGraphLoader.scala

@@ -4,10 +4,9 @@ import java.net.URI
 
 import net.sansa_stack.inference.data.{SQLSchema, SQLSchemaDefault}
 import net.sansa_stack.inference.spark.data.model.{RDFGraph, RDFGraphDataFrame, RDFGraphDataset, RDFGraphNative}
-import net.sansa_stack.inference.utils.NTriplesStringToJenaTriple
 import org.apache.jena.graph.Triple
 import org.apache.jena.riot.Lang
-import org.apache.spark.sql.{Dataset, Encoder, SaveMode, SparkSession}
+import org.apache.spark.sql.{Dataset, Encoder, SparkSession}
 import org.apache.spark.{SparkConf, SparkContext}
 import org.slf4j.LoggerFactory
 import scala.language.implicitConversions
@@ -222,7 +221,7 @@ object RDFGraphLoader {
     println(triples.count())
     triples
       .filter("p == 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type'")
-      .write.mode(SaveMode.Append).rdf("/tmp/lubm/out")
+      .write.mode(org.apache.spark.sql.SaveMode.Append).rdf("/tmp/lubm/out")