Modifier calls fail on DeviceGroup when FW is a child

[Coo101]

Describe the bug

When trying to do a call for a devicegroup that modifies the live device and a Firewall object is attached it errors out
TypeError: Firewall.element() got an unexpected keyword argument 'comparable'

Expected behavior

update the device

Current behavior

Even a simple refresh and apply fails

Possible solution

Steps to reproduce

devicegroup= DeviceGroup('dg-name')
panorama.add(devicegroup)
devicegroup.refresh()
devicegroup.apply()

Screenshots

Traceback (most recent call last):
File "C:\Program Files\JetBrains\PyCharm 2022.2\plugins\python\helpers\pydev_pydevd_bundle\pydevd_exec2.py", line 3, in Exec
exec(exp, global_vars, local_vars)
File "", line 1, in
File "%localpath%\Anaconda3\envs\KNIME\Lib\site-packages\panos\base.py", line 625, in apply
self.xpath(), self.element_str(), retry_on_peer=self.HA_SYNC
^^^^^^^^^^^^^^^^^^
File "%localpath%\Anaconda3\envs\KNIME\Lib\site-packages\panos\base.py", line 535, in element_str
return ET.tostring(self.element(), encoding="utf-8")
^^^^^^^^^^^^^^
File "%localpath%\Anaconda3\envs\KNIME\Lib\site-packages\panos\base.py", line 2606, in element
self.xml_merge(ans, itertools.chain(*iterchain))
File "%localpath%\Anaconda3\envs\KNIME\Lib\site-packages\panos\base.py", line 1694, in xml_merge
for e in elements:
File "%localpath%\Anaconda3\envs\KNIME\Lib\site-packages\panos\base.py", line 574, in _subelements
e.append(child.element(comparable=comparable))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: Firewall.element() got an unexpected keyword argument 'comparable'

Your Environment

Using Anaconda3

• Version used: 1.7.3
• Environment name and version: python 3.11.2
• Operating System and version (desktop or mobile): Windows10

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