fix optional

hypervisor.yml

@@ -6,7 +6,7 @@
       authorized_key:
         user: "{{ ansible_user_id }}"
         key: "{{ webvirt_ssh_key }}"
-      #when: webvirt_ssh_key
+      when: webvirt_ssh_key is defined
     - name: cpufreq
       include_tasks: './tasks/cpufreq.yml'
     - name: kernel params