def METHOD_NAME(node):
    if node.type in ('power', 'atom_expr') and len(node.children) == 2:
        # This might be removed if we analyze and, etc
        first, trailer = node.children
        if first.type == 'name' and first.value == 'isinstance' \
                and trailer.type == 'trailer' and trailer.children[0] == '(':
            return trailer
    return None