======================================================================
ERROR: test_smart_decorator (tests.test_trees.TestTrees.test_smart_decorator)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/tmp/lark/lark/visitors.py", line 114, in _call_userfunc
    return f.visit_wrapper(f, tree.data, children, tree.meta)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/tmp/lark/lark/visitors.py", line 491, in _vargs_inline
    return f(*children)
           ^^^^^^^^^^^^
  File "/tmp/lark/lark/visitors.py", line 471, in __call__
    return self.base_func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/tmp/lark/tests/test_trees.py", line 191, in ab_classmethod
    assert cls is OtherClass, cls
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: <tests.test_trees.TestTrees.test_smart_decorator.<locals>.TestCls object at 0x7f5bcf0c7390>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/tmp/lark/tests/test_trees.py", line 293, in test_smart_decorator
    result = test_instance.transform(Tree(method_name, children))
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/tmp/lark/lark/visitors.py", line 153, in transform
    return self._transform_tree(tree)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/tmp/lark/lark/visitors.py", line 149, in _transform_tree
    return self._call_userfunc(tree, children)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/tmp/lark/lark/visitors.py", line 120, in _call_userfunc
    raise VisitError(tree.data, tree, e)
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
lark.exceptions.VisitError: Error trying to process rule "oc_ab_classmethod":

<tests.test_trees.TestTrees.test_smart_decorator.<locals>.TestCls object at 0x7f5bcf0c7390>