# Buggy code
def main():
    argument_spec = dict(
        registry_url=dict(
            type="str",
            required=False,
            default=DEFAULT_DOCKER_REGISTRY,
            aliases=["registry", "url"],
        ),
        username=dict(type="str", required=False),
        password=dict(type="str", required=False, no_log=True),
        email=dict(type="str"),
        reauthorize=dict(type="bool", default=False, aliases=["reauth"]),
        state=dict(type="str", default="present", choices=["present", "absent"]),
        config_path=dict(
            type="str",
            default="~/.docker/config.json",
            aliases=["self.config_path", "dockercfg_path"],
        ),
    )

    required_if = [
        ("state", "present", ["username", "password"]),
    ]

    client = AnsibleDockerClient(
        argument_spec=argument_spec, supports_check_mode=True, required_if=required_if
    )

    results = dict(changed=False, actions=[], login_result={})

    if (
        module.params["state"] == "present"
        and module.params["registry_url"] == DEFAULT_DOCKER_REGISTRY
        and not module.params["email"]
    ):
        module.fail_json(msg="'email' is required when loging into DockerHub")

    LoginManager(client, results)
    if "actions" in results:
        del results["actions"]
    client.module.exit_json(**results)


# Traceback (NameError)
The error was: NameError: global name 'module' is not defined
fatal: [localhost]: FAILED! => {"changed": false, "failed": true, "module_stderr": "Traceback (most recent call last):\n  File \"/var/folders/74/y_0xp6zs31b8fxxl3csvqw100000gp/T/ansible_NfSlXR/ansible_module_docker_login.py\", line 329, in <module>\n    main()\n  File \"/var/folders/74/y_0xp6zs31b8fxxl3csvqw100000gp/T/ansible_NfSlXR/ansible_module_docker_login.py\", line 317, in main\n    if module.params['state'] == 'present' and module.params['registry_url'] == DEFAULT_DOCKER_REGISTRY and not module.params['email']:\nNameError: global name 'module' is not defined\n", "module_stdout": "", "msg": "MODULE FAILURE"}

# Fixed code
def main():
    argument_spec = dict(
        registry_url=dict(
            type="str",
            required=False,
            default=DEFAULT_DOCKER_REGISTRY,
            aliases=["registry", "url"],
        ),
        username=dict(type="str", required=False),
        password=dict(type="str", required=False, no_log=True),
        email=dict(type="str"),
        reauthorize=dict(type="bool", default=False, aliases=["reauth"]),
        state=dict(type="str", default="present", choices=["present", "absent"]),
        config_path=dict(
            type="str",
            default="~/.docker/config.json",
            aliases=["self.config_path", "dockercfg_path"],
        ),
    )

    required_if = [
        ("state", "present", ["username", "password"]),
    ]

    client = AnsibleDockerClient(
        argument_spec=argument_spec, supports_check_mode=True, required_if=required_if
    )

    results = dict(changed=False, actions=[], login_result={})

    if (
        client.module.params["state"] == "present"
        and client.module.params["registry_url"] == DEFAULT_DOCKER_REGISTRY
        and not client.module.params["email"]
    ):
        client.module.fail_json(msg="'email' is required when logging into DockerHub")

    LoginManager(client, results)
    if "actions" in results:
        del results["actions"]
    client.module.exit_json(**results)