* Fix error info (#23891)

* fix error info for rnn related api

* passed local test, test=develop

* double check the code

* double check the code, test=develop

* update 'shape' check in RNNCell, test=develop

* add long dtype to RNNCell

* fix long type in python3
Co-authored-by: NXingWu01 <wuxing@iie.ac.cn>

* fix rnn check_type list error (#24346)

* fix rnn check_type list error

* tigger ci, test=release/1.8

* update modify, test=release/1.8
Co-authored-by: NXingWu01 <wuxing@iie.ac.cn>

There are PythonAPI tests in Op's unittest which don't need to inherit OpTest class.