<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def attr_attributes_transform(node):
 """Given that the ClassNode has an attr decorator, rewrite class attributes as instance attributes """

    # Astroid can't infer this attribute properly
    # Prevents https://github.com/PyCQA/pylint/issues/1884
    node.locals["__attrs_attrs__"] = [astroid.Unknown(parent=node)]

    for cdefbodynode in node.body:
        if not isinstance(cdefbodynode, astroid.Assign):
            continue
        if isinstance(cdefbodynode.value, astroid.Call):
            if cdefbodynode.value.func.as_string() not in ATTRIB_NAMES:
                continue
        else:
            continue
        for target in cdefbodynode.targets:

            rhs_node = astroid.Unknown(
                lineno=cdefbodynode.lineno,
                col_offset=cdefbodynode.col_offset,
                parent=cdefbodynode,
            )
            node.locals[target.name] = [rhs_node]