Fix

Jenkinsfile

@@ -21,16 +21,7 @@ node {
          ])
      ])
  }
- stage('Checkout') {
-      steps {
-        script {
-           git credentialsId: 'jenkins-user-github', url: 'https://git.wmi.amu.edu.pl/s478831/ium_478855.git'
-           sh "ls -lart ./*" 
-           sh "git branch -a"
-           sh "git checkout master"
-          }
-       }
-    }
+
  stage('Build') {
      withEnv(["KAGGLE_USERNAME=${params.KAGGLE_USERNAME}",
               "KAGGLE_KEY=${params.KAGGLE_KEY}" ]) {