Use Docker Hub image

Jenkinsfile2

@@ -1,11 +1,8 @@
 pipeline {
-    agent any
+    agent {
+    	docker {image 'agakul/ium:2.0'}
+    }
 	parameters {
-		buildSelector(
-			defaultSelector: lastSuccessful(),
-			description: 'Which build to use for copying artifacts',
-			name: 'BUILD_SELECTOR'
-		)
 	}
     stages {
 		stage('Check out from version control') {
@@ -15,10 +12,7 @@ pipeline {
 		}
         stage('Shell Script') {
             steps {
-				copyArtifacts fingerprintArtifacts: true, projectName:'s444421-create-dataset', selector: buildParameter('BUILD_SELECTOR')
-				sh 'chmod u+x ./get_stats.sh'
-				sh './get_stats.sh'
-				archiveArtifacts 'stats.txt'
+				sh 'python3 ./preparation.py'
             }
         }
     }