File ac_use-python3-by-default.patch of Package azure-cli

diff -Nru azure-cli-2.0.77.orig/az azure-cli-2.0.77/az
--- azure-cli-2.0.77.orig/az	2019-11-22 06:26:37.000000000 +0100
+++ azure-cli-2.0.77/az	2019-11-26 11:55:29.693046152 +0100
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 import os