fixed semantics for archives

tasks/with_no_proxy.yml

diff --git a/tasks/with_no_proxy.yml b/tasks/with_no_proxy.yml
index 62e7967..06460cf 100644
--- a/tasks/with_no_proxy.yml
+++ b/tasks/with_no_proxy.yml
@@ -7,7 +7,7 @@
 - name: Ensure apigee-provision is current by uninstalling this first with no proxy
   ignore_errors: yes
   shell: '{{ apigee_service }} apigee-provision uninstall'
-  when: not apigee_provision_status.stat.exists
+  when: apigee_provision_status.stat.exists
 
 - name: Apigee provision installation with no proxy
   shell: '{{ apigee_service }} apigee-provision install'