Update manage.py

Former-commit-id: 96a5ebc08b8417472939bb1774b2c47a677dc7e3

Update manage.py
4272be53 · Hervé MENAGER · 753230de · 4272be53
Commit 4272be53 authored 7 years ago by Hervé MENAGER
--- a/ippisite/manage.py
+++ b/ippisite/manage.py
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import os
 import sys