diff --git a/Jenkinsfile b/Jenkinsfile
index ef055bec6430d5c411ab7336e5276a3fb7455051..573603a09e18c77d96c41c520f5f26fdef2ae1fb 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -397,7 +397,7 @@ pipeline {
           }
       parallel {
         stage('python_1') {
-          agent{label " slave1 || slave 6 || slave11 || slave16 "}
+          agent{label " slave1 || slave6 || slave11 || slave16 "}
           steps {
             pre_test()
             timeout(time: 55, unit: 'MINUTES'){