virt-*: invoke python3 using /usr/bin/env

virt-clone

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 # Convenience wrapper for easily running virt-clone from the git tree
 
 import os

virt-install

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 # Convenience wrapper for easily running virt-install from the git tree
 
 import os

virt-manager

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 # Convenience wrapper for easily running virt-manager from the git tree
 
 import os

virt-xml

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 # Convenience wrapper for easily running virt-xml from the git tree
 
 import os