<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_options_from_str(obj_str, **kwargs):
 """ Returns a list of options from a python object string args: obj_str: python list of options or a python object path Example: "rdfframework.connections.ConnManager[{param1}]" kwargs: * kwargs used to format the 'obj_str' """

    if isinstance(obj_str, list):
        return obj_str
    try:
        obj = get_obj_frm_str(obj_str, **kwargs)
        if obj:
            return list(obj)
    except AttributeError:
        pass
    return []