fix eval

Jenkinsfile.eval

@@ -1,6 +1,9 @@
 pipeline {
     agent {
-        dockerfile true
+        docker {
+            image 'mikolajk/ium:mlflow'
+            args '-v /mlruns:/mlruns'
+        }
     }
     parameters{
         gitParameter branchFilter: 'origin/(.*)', defaultValue: 'master', name: 'BRANCH', type: 'PT_BRANCH'
@@ -35,10 +38,10 @@ pipeline {
                 sh 'python3 ./src/evalScript.py'
                 archiveArtifacts 'trainResults.csv, metrics.png'
                 script {
-                    metric = sh '''
+                    metric = sh (
                         script: 'tail -1 trainResults.csv',
                         returnStdout: true
-                        ).trim()'''
+                        ).trim()
                 }
                 
             }