relative path to learning.py script

JenkinsfileTrain

@@ -16,7 +16,7 @@ node {
  }
  stage('Build') {
      withEnv(["LEARNING_PARAMETERS=${params.LEARNING_PARAMETERS}"]) {
-            sh "./learning.py ${LEARNING_PARAMETERS}"
+            sh "./train-eval/learning.py ${LEARNING_PARAMETERS}"
      }
  }