Fix typo in Pepper related changes

- Fix typo in changes which inforcing to use Pepper
  instead of direct http requests.

Change-Id: I34a689d8c89b68b8a5cfa77a96bdfb2a1132d7f6
Closes-Bug: PROD-15207
diff --git a/cicd-lab-pipeline.groovy b/cicd-lab-pipeline.groovy
index d865b25..9fc42d3 100644
--- a/cicd-lab-pipeline.groovy
+++ b/cicd-lab-pipeline.groovy
@@ -117,7 +117,7 @@
             saltMasterHost = openstack.getHeatStackOutputParam(openstackCloud, HEAT_STACK_NAME, 'salt_master_ip', openstackEnv)
             currentBuild.description = "${HEAT_STACK_NAME}: ${saltMasterHost}"
             saltMasterUrl = "http://${saltMasterHost}:${saltMasterPort}"
-            python.setupPepperVirtualenv(venvPepper, saltMasterUrl, SALT_MASTER_CREDENTIALS)
+            python.setupPepperVirtualenv(pepperEnv, saltMasterUrl, SALT_MASTER_CREDENTIALS)
         }
 
         //