Recursively find the last line number of the ast node.

def get_last_lineno(node):
    """Recursively find the last line number of the ast node."""
    max_lineno = 0

    if hasattr(node, "lineno"):
        max_lineno = node.lineno

    for _, field in ast.iter_fields(node):
        if isinstance(field, list):
            for value in field:
                if isinstance(value, ast.AST):
                    max_lineno = max(max_lineno, get_last_lineno(value))

        elif isinstance(field, ast.AST):
            max_lineno = max(max_lineno, get_last_lineno(field))

    return max_lineno