tests: Fix Ansible module shebangs

With https://github.com/ansible/ansible/pull/76677 Ansible
fixed shebang substitution for Ansible modules and tightened
up what shebang is allowed.

Changing these fixes the tests using them with vanilla Ansible.

https://docs.ansible.com/ansible/latest/dev_guide/testing/sanity/shebang.html

tests/ansible/lib/modules/custom_python_detect_environment.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 # I am an Ansible new-style Python module. I return details about the Python
 # interpreter I run within.
 

tests/ansible/lib/modules/custom_python_external_module.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 # I expect the quote from modules2/module_utils/joker.py.
 
 from ansible.module_utils.basic import AnsibleModule

tests/ansible/lib/modules/custom_python_external_pkg.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.externalpkg import extmod

tests/ansible/lib/modules/custom_python_json_args_module.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 # I am an Ansible Python JSONARGS module. I should receive an encoding string.
 
 json_arguments = """<<INCLUDE_ANSIBLE_MODULE_JSON_ARGS>>"""

tests/ansible/lib/modules/custom_python_leaky_class_vars.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 # I am an Ansible new-style Python module. I leak state from each invocation
 # into a class variable and a global variable.
 

tests/ansible/lib/modules/custom_python_modify_environ.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 # I am an Ansible new-style Python module. I modify the process environment and
 # don't clean up after myself.
 

tests/ansible/lib/modules/custom_python_new_style_module.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 # I am an Ansible new-style Python module. I should receive an encoding string.
 
 import sys

tests/ansible/lib/modules/custom_python_os_getcwd.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 # #591: call os.getcwd() before AnsibleModule ever gets a chance to fix up the
 # process environment.
 

tests/ansible/lib/modules/custom_python_prehistoric_module.py

@@ -1,4 +1,5 @@
-#!/usr/bin/env python
+#!/usr/bin/python
+
 # issue #555: I'm a module that cutpastes an old hack.
 
 from ansible.module_utils.basic import AnsibleModule

tests/ansible/lib/modules/custom_python_run_script.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 # I am an Ansible new-style Python module. I run the script provided in the
 # parameter.
 

tests/ansible/lib/modules/custom_python_uses_distro.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 # issue #590: I am an Ansible new-style Python module that tries to use
 # ansible.module_utils.distro.
 

tests/ansible/lib/modules/custom_python_want_json_module.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 # I am an Ansible Python WANT_JSON module. I should receive a JSON-encoded file.
 
 import json

tests/ansible/lib/modules/mitogen_test_gethostbyname.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 
 # I am a module that indirectly depends on glibc cached /etc/resolv.conf state.
 

tests/ansible/lib/modules/test_echo_module.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 # -*- coding: utf-8 -*-
 
 # (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>