# Buggy code
def main():
    spec = dict(gather_subset=dict(default=["!config"], type="list"))

    spec.update(iosxr_argument_spec)

    module = AnsibleModule(argument_spec=spec, supports_check_mode=True)

    warnings = list()

    gather_subset = module.params["gather_subset"]

    runable_subsets = set()
    exclude_subsets = set()

    for subset in gather_subset:
        if subset == "all":
            runable_subsets.update(VALID_SUBSETS)
            continue

        if subset.startswith("!"):
            subset = subset[1:]
            if subset == "all":
                exclude_subsets.update(VALID_SUBSETS)
                continue
            exclude = True
        else:
            exclude = False

        if subset not in VALID_SUBSETS:
            module.fail_json(msg="Bad subset")

        if exclude:
            exclude_subsets.add(subset)
        else:
            runable_subsets.add(subset)

    if not runable_subsets:
        runable_subsets.update(VALID_SUBSETS)

    runable_subsets.difference_update(exclude_subsets)
    runable_subsets.add("default")

    facts = dict()
    facts["gather_subset"] = list(runable_subsets)

    instances = list()
    for key in runable_subsets:
        instances.append(FACT_SUBSETS[key]())

    try:
        for inst in instances:
            commands = inst.commands()
            responses = run_command(module, commands)
            results = dict(zip(commands, responses))
            inst.populate(results)
            facts.update(inst.facts)
    except Exception:
        module.exit_json(out=module.from_json(results))

    ansible_facts = dict()
    for key, value in iteritems(facts):
        key = "ansible_net_%s" % key
        ansible_facts[key] = value

    module.exit_json(ansible_facts=ansible_facts, warnings=warnings)


# Traceback (TypeError)
TASK [azure_load_balancer : Get lbs] *********************************************************************************************
task path: /home/vmadmin/cluster_build/roles/azure_load_balancer/tasks/main.yaml:15
Using module file /home/vmadmin/.local/lib/python2.7/site-packages/ansible/modules/cloud/azure/azure_rm_loadbalancer_facts.py
<localhost> ESTABLISH LOCAL CONNECTION FOR USER: vmadmin
<localhost> EXEC /bin/sh -c 'echo ~ &amp;&amp; sleep 0'
<localhost> EXEC /bin/sh -c '( umask 77 &amp;&amp; mkdir -p "` echo /home/vmadmin/.ansible/tmp/ansible-tmp-1504708358.3-41710485333814 `" &amp;&amp; echo ansible-tmp-1504708358.3-41710485333814="` echo /home/vmadmin/.ansible/tmp/ansible-tmp-1504708358.3-41710485333814 `" ) &amp;&amp; sleep 0'
<localhost> PUT /tmp/tmpy_CiqC TO /home/vmadmin/.ansible/tmp/ansible-tmp-1504708358.3-41710485333814/azure_rm_loadbalancer_facts.py
<localhost> EXEC /bin/sh -c 'chmod u+x /home/vmadmin/.ansible/tmp/ansible-tmp-1504708358.3-41710485333814/ /home/vmadmin/.ansible/tmp/ansible-tmp-1504708358.3-41710485333814/azure_rm_loadbalancer_facts.py &amp;&amp; sleep 0'
<localhost> EXEC /bin/sh -c '/usr/bin/python /home/vmadmin/.ansible/tmp/ansible-tmp-1504708358.3-41710485333814/azure_rm_loadbalancer_facts.py; rm -rf "/home/vmadmin/.ansible/tmp/ansible-tmp-1504708358.3-41710485333814/" > /dev/null 2>&amp;1 &amp;&amp; sleep 0'
The full traceback is:
Traceback (most recent call last):
File "/tmp/ansible_VTaHxN/ansible_module_azure_rm_loadbalancer_facts.py", line 180, in <module>
main()
File "/tmp/ansible_VTaHxN/ansible_module_azure_rm_loadbalancer_facts.py", line 177, in main
AzureRMLoadBalancerFacts()
File "/tmp/ansible_VTaHxN/ansible_module_azure_rm_loadbalancer_facts.py", line 123, in __init__
facts_module=True
File "/tmp/ansible_VTaHxN/ansible_modlib.zip/ansible/module_utils/azure_rm_common.py", line 255, in __init__
File "/tmp/ansible_VTaHxN/ansible_module_azure_rm_loadbalancer_facts.py", line 133, in exec_module
else self.list_items()
File "/tmp/ansible_VTaHxN/ansible_module_azure_rm_loadbalancer_facts.py", line 162, in list_items
response = self.network_client.load_balancers.list()
TypeError: list() takes at least 2 arguments (1 given)

fatal: [localhost]: FAILED! => {
"changed": false,
"failed": true,
"module_stderr": "Traceback (most recent call last):\n  File \"/tmp/ansible_VTaHxN/ansible_module_azure_rm_loadbalancer_facts.py\", line 180, in <module>\n    main()\n  File \"/tmp/ansible_VTaHxN/ansible_module_azure_rm_loadbalancer_facts.py\", line 177, in main\n    AzureRMLoadBalancerFacts()\n  File \"/tmp/ansible_VTaHxN/ansible_module_azure_rm_loadbalancer_facts.py\", line 123, in __init__\n    facts_module=True\n  File \"/tmp/ansible_VTaHxN/ansible_modlib.zip/ansible/module_utils/azure_rm_common.py\", line 255, in __init__\n  File \"/tmp/ansible_VTaHxN/ansible_module_azure_rm_loadbalancer_facts.py\", line 133, in exec_module\n    else self.list_items()\n  File \"/tmp/ansible_VTaHxN/ansible_module_azure_rm_loadbalancer_facts.py\", line 162, in list_items\n    response = self.network_client.load_balancers.list()\nTypeError: list() takes at least 2 arguments (1 given)\n",
"module_stdout": "",
"msg": "MODULE FAILURE",
"rc": 0
}

# Fixed code
def main():
    spec = dict(gather_subset=dict(default=["!config"], type="list"))

    spec.update(iosxr_argument_spec)

    module = AnsibleModule(argument_spec=spec, supports_check_mode=True)

    warnings = list()

    gather_subset = module.params["gather_subset"]

    runable_subsets = set()
    exclude_subsets = set()

    for subset in gather_subset:
        if subset == "all":
            runable_subsets.update(VALID_SUBSETS)
            continue

        if subset.startswith("!"):
            subset = subset[1:]
            if subset == "all":
                exclude_subsets.update(VALID_SUBSETS)
                continue
            exclude = True
        else:
            exclude = False

        if subset not in VALID_SUBSETS:
            module.fail_json(msg="Bad subset")

        if exclude:
            exclude_subsets.add(subset)
        else:
            runable_subsets.add(subset)

    if not runable_subsets:
        runable_subsets.update(VALID_SUBSETS)

    runable_subsets.difference_update(exclude_subsets)
    runable_subsets.add("default")

    facts = dict()
    facts["gather_subset"] = list(runable_subsets)

    instances = list()
    for key in runable_subsets:
        instances.append(FACT_SUBSETS[key]())

    try:
        for inst in instances:
            commands = inst.commands()
            responses = run_commands(module, commands)
            results = dict(zip(commands, responses))
            inst.populate(results)
            facts.update(inst.facts)
    except Exception:
        module.exit_json(out=module.from_json(results))

    ansible_facts = dict()
    for key, value in iteritems(facts):
        key = "ansible_net_%s" % key
        ansible_facts[key] = value

    module.exit_json(ansible_facts=ansible_facts, warnings=warnings)