pyi_generator: handle `Callable[[], None]` annotation for LambdaVar

If the annotation is a list, process it recursively and return a list.

reflex/utils/pyi_generator.py

@@ -221,6 +221,12 @@ def _get_type_hint(
             if ev.__name__ == "Var"
             else value
         )
+    elif isinstance(value, list):
+        res = [
+            _get_type_hint(arg, type_hint_globals, rx_types.is_optional(arg))
+            for arg in value
+        ]
+        return f"[{', '.join(res)}]"
     else:
         res = value.__name__
     if is_optional and not res.startswith("Optional") and not res.endswith("| None"):