firewall-config in F42 is having trouble with rich rules.

The existing rules, in the "Rich Rules" tab, are listed, but clicking "Edit" on each one does nothing.

If firewall-config is run in the console, clicking "Edit" produces this traceback:

Traceback (most recent call last):
  File "/usr/bin/firewall-config", line 3136, in onEditRichRule
    self.add_edit_rich_rule(False)
    ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^
  File "/usr/bin/firewall-config", line 3365, in add_edit_rich_rule
    self.on_richRuleDialog_changed()
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/usr/bin/firewall-config", line 3991, in on_richRuleDialog_changed
    rule = self.richRuleDialog_getRule()
  File "/usr/bin/firewall-config", line 3705, in richRuleDialog_getRule
    rule = rich.Rich_Rule("ipv4")  # ipv4 rule
  File "<string>", line 11, in __init__
  File "/usr/lib/python3.13/site-packages/firewall/core/rich.py", line 660, in __post_init__
    self._import_from_string(rule_str)
    ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
  File "/usr/lib/python3.13/site-packages/firewall/core/rich.py", line 817, in _import_from_string
    raise FirewallError(
        errors.INVALID_RULE, "unknown element %s" % current_element
    )
firewall.errors.FirewallError: INVALID_RULE: unknown element ipv4


Reproducible: Always

Steps to Reproduce:
Run firewall-config in a terminal window, and let's try to add a simple rich rule. In the rich rule tab.

1. Click "Add"
2. For "Family" select "ipv4".
3. Click the "Action" checkbox, leaving the default action to "Accept"
4. Leave default "Source" as "IP", click on the field next to it, and enter an IP address. 192.168.0.1 will do just fine.

Actual Results:
This is now a complete rich rule, but the "Ok" button remains grayed out.

Expected Results:
The "Ok" button is enabled, and adds a new rich rule.

Additional Information:
firewall-config-2.3.0-4.fc42.noarch

Executing steps 2, 3, and 4 results in the following traceback on the console:

Traceback (most recent call last):
  File "/usr/bin/firewall-config", line 3991, in on_richRuleDialog_changed
    rule = self.richRuleDialog_getRule()
  File "/usr/bin/firewall-config", line 3705, in richRuleDialog_getRule
    rule = rich.Rich_Rule("ipv4")  # ipv4 rule
  File "<string>", line 11, in __init__
  File "/usr/lib/python3.13/site-packages/firewall/core/rich.py", line 660, in __post_init__
    self._import_from_string(rule_str)
    ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
  File "/usr/lib/python3.13/site-packages/firewall/core/rich.py", line 817, in _import_from_string
    raise FirewallError(
        errors.INVALID_RULE, "unknown element %s" % current_element
    )
firewall.errors.FirewallError: INVALID_RULE: unknown element ipv4