# Buggy code
def main():
    argument_spec = dict(
        job_id=dict(type="int", required=True),
        fail_if_not_running=dict(type="bool", default=False),
    )

    module = TowerModule(
        argument_spec=argument_spec,
        supports_check_mode=True,
    )

    job_id = module.params.get("job_id")
    json_output = {}

    tower_auth = tower_auth_config(module)
    with settings.runtime_values(**tower_auth):
        tower_check_mode(module)
        job = tower_cli.get_resource("job")
        params = module.params.copy()

        try:
            result = job.cancel(job_id, **params)
            json_output["id"] = job_id
        except (exc.ConnectionError, exc.BadRequest, exc.TowerCLIError) as excinfo:
            module.fail_json(
                msg="Unable to cancel job_id/{0}: {1}".format(job_id, excinfo),
                changed=False,
            )

    json_output["changed"] = result["changed"]
    json_output["status"] = result["status"]
    module.exit_json(**json_output)


# Traceback (tower_cli.exceptions.AuthError)
TASK [Set AWX admin account] *******************************************************************************************
An exception occurred during task execution. To see the full traceback, use -vvv. The error was: tower_cli.exceptions.AuthError: Invalid Tower authentication credentials (HTTP 401).
fatal: [awx1]: FAILED! => changed=false
module_stderr: |-
Traceback (most recent call last):
File "/home/d069683/.ansible/tmp/ansible-tmp-1546595798.81-18639309082017/AnsiballZ_tower_user.py", line 113, in <module>
_ansiballz_main()
File "/home/d069683/.ansible/tmp/ansible-tmp-1546595798.81-18639309082017/AnsiballZ_tower_user.py", line 105, in _ansiballz_main
invoke_module(zipped_mod, temp_path, ANSIBALLZ_PARAMS)
File "/home/d069683/.ansible/tmp/ansible-tmp-1546595798.81-18639309082017/AnsiballZ_tower_user.py", line 48, in invoke_module
imp.load_module('__main__', mod, module, MOD_DESC)
File "/tmp/ansible_tower_user_payload_uMnpMh/__main__.py", line 131, in <module>
File "/tmp/ansible_tower_user_payload_uMnpMh/__main__.py", line 118, in main
File "/usr/local/lib/python2.7/dist-packages/tower_cli/models/base.py", line 698, in modify
return self.write(pk, create_on_missing=create_on_missing, force_on_exists=True, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/tower_cli/models/base.py", line 361, in write
**kwargs
File "/usr/local/lib/python2.7/dist-packages/tower_cli/models/base.py", line 223, in _lookup
existing_data = self.get(include_debug_header=include_debug_header, **read_params)
File "/usr/local/lib/python2.7/dist-packages/tower_cli/models/base.py", line 486, in get
response = self.read(pk=pk, fail_on_no_results=True, fail_on_multiple_results=True, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/tower_cli/models/base.py", line 288, in read
r = client.get(url, params=kwargs)
File "/usr/local/lib/python2.7/dist-packages/requests/sessions.py", line 521, in get
return self.request('GET', url, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/tower_cli/api.py", line 255, in request
raise exc.AuthError('Invalid Tower authentication credentials (HTTP 401).')
tower_cli.exceptions.AuthError: Invalid Tower authentication credentials (HTTP 401).
module_stdout: ''
msg: |-
MODULE FAILURE
See stdout/stderr for the exact error
rc: 1

# Fixed code
def main():
    argument_spec = dict(
        job_id=dict(type="int", required=True),
        fail_if_not_running=dict(type="bool", default=False),
    )

    module = TowerModule(
        argument_spec=argument_spec,
        supports_check_mode=True,
    )

    job_id = module.params.get("job_id")
    json_output = {}

    tower_auth = tower_auth_config(module)
    with settings.runtime_values(**tower_auth):
        tower_check_mode(module)
        job = tower_cli.get_resource("job")
        params = module.params.copy()

        try:
            result = job.cancel(job_id, **params)
            json_output["id"] = job_id
        except (
            exc.ConnectionError,
            exc.BadRequest,
            exc.TowerCLIError,
            exc.AuthError,
        ) as excinfo:
            module.fail_json(
                msg="Unable to cancel job_id/{0}: {1}".format(job_id, excinfo),
                changed=False,
            )

    json_output["changed"] = result["changed"]
    json_output["status"] = result["status"]
    module.exit_json(**json_output)