language.LazyCallIntrospectionWarning
class LazyCallIntrospectionWarning(UserWarning):Emitted once per ``L.call`` decoration when ``inspect.signature`` cannot describe the target (e.g. C-extension callables like :class:`range`).
A target that cannot be introspected silently degrades to the
``strict=False`` behaviour — kwargs are not validated at config-construction
time. This warning surfaces the gap so authors can either pass ``strict=False``
explicitly (suppressing the warning) or wrap the target in a thin Python
shim that exposes a signature.
Source: laco/language.py:165