Fix for Empty except

[RobertBlackhart]

The best fix is to replace the try/except TypeError: pass logic with an explicit callable(...) check before invoking available_choices. This preserves behavior (support both static list and callable) while removing the empty except and preventing accidental suppression of real TypeErrors thrown by a callable implementation.

In recline/arg_types/choices.py, inside _Choices.choices (around lines 79–83), update the code so that:

• current_choices is initialized from self.__class__.available_choices as it is now.
• Only call it when it is callable.
• Remove the empty except TypeError block entirely.

No new imports, methods, or dependencies are needed.

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