Fix email notification

evaluation.Jenkinsfile

@@ -19,10 +19,12 @@ pipeline {
             	copyArtifacts filter: '*', projectName:'s444421-evaluation/training_and_evaluation', optional: true
             	sh 'ipython ./evaluation.py'
             	archiveArtifacts artifacts: 'build_accuracy.txt, bilds_accuracy.jpg'
+            	script {
             		ACC = sh (script: 'tail -n 1 build_accuracy.txt', returnStdout: true).trim()
             	}
             }
         }
+    }
     post {
     	success {
     		emailext body: 'SUCCESS - ACCURACY: ${ACC}', subject: 's444421-evaluation status', to: 'e19191c5.uam.onmicrosoft.com@emea.teams.ms'