Revert "armv7 create: move back to python2 and hope it works again."

This reverts commit f2591ca94c98799ce7b52328172dac8c150ca261.

library/virt_boot

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 # -*- coding: utf-8 -*-
 
 # (c) 2012, Jeroen Hoekx <jeroen@hoekx.be>

tasks/virt_instance_create.yml

@@ -65,8 +65,8 @@
     - armv7-kernel
 
 - name: ARMv7 update the virt parameters
-#  vars:
-#    ansible_python_interpreter: /usr/bin/python3
+  vars:
+    ansible_python_interpreter: /usr/bin/python3
   virt_boot: domain={{ inventory_hostname }} kernel=/var/lib/libvirt/images/{{ host_armv7kernel.stdout }} initrd=/var/lib/libvirt/images/{{ host_armv7initrd.stdout }} cmdline={{ host_cmdline.stdout }}
   delegate_to: "{{ vmhost }}"
   when: inventory_hostname.startswith('buildvm-armv7') and ( inventory_hostname not in result.list_vms or armv7kernelupdate is defined )