updated variable

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index 0704476..b4dbb54 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -19,7 +19,7 @@
 - name: Construct name of edge response validate file
   cache:
     key: 'onboarding_config_file_path'
-    value: '{{ opdk_installer_path }}/edge-response-validate-{{ opdk_version }}-{{ opdk_region }}.conf'
+    value: '{{ opdk_installer_path }}/edge-response-validate-{{ opdk_version }}-{{ region }}.conf'
 
 - name: Remove old apigee-provision file
   file: