tests: Pythonize print_env.sh.

tests/ansible/regression/issue_122__environment_difference.yml

@@ -9,6 +9,6 @@
   hosts: test-targets
   tasks:
 
-  - script: scripts/print_env.sh
+  - script: scripts/print_env.py
     register: env
   - debug: msg={{env}}

tests/ansible/regression/scripts/print_env.py

@@ -0,0 +1,6 @@
+#!/usr/bin/env python
+
+import os
+import pprint
+
+pprint.pprint(dict(os.environ))

tests/ansible/regression/scripts/print_env.sh

@@ -1,2 +0,0 @@
-#!/bin/bash
-set