diff --git a/Jenkinsfile b/Jenkinsfile
index ab8e4e9..c6b1878 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,6 +1,30 @@
 pipeline {
     agent none 
     stages {
+
+        stage('FindHTTPCalls') {
+            agent {
+                docker {
+                    image 'maven:3.8.1-adoptopenjdk-11'  
+                }
+            }
+            environment {
+                HTTPCALLS = """${sh(
+                        returnStdout: true,
+                        script: 'find ./sources -path "*.py" -exec grep -H -e "http://" {} \\;'
+                    )}"""
+            }
+            steps {
+                script {
+                    if (env.HTTPCALLS?.trim()) {
+                        currentBuild.result = 'ABORTED'
+                        error("Aborting the build for http calls.")
+                    }
+                    
+                }
+            }
+        }
+
         stage('Build') { 
             agent {
                 docker {
diff --git a/sources/add2vals.py b/sources/add2vals.py
index 6a50b78..1cab41e 100644
--- a/sources/add2vals.py
+++ b/sources/add2vals.py
@@ -11,7 +11,7 @@ argnumbers = len(sys.argv) - 1
 r =requests.get('https://xkcd.com/1906/')
 
 if argnumbers == 2 :
-    print("")
+#    print("")
     print("The result is " + str(calc.add2(str(sys.argv[1]), str(sys.argv[2]))))
     print("")
     sys.exit(0)