[Doctest] Add `configuration_encoder_decoder.py` (#26519)
* [Doctest] Add configuration_encoder_decoder.py
Added configuration_encoder_decoder.py to utils/documentation_tests.txt for doctest
* Revert "[Doctest] Add configuration_encoder_decoder.py"
This reverts commit bd653535a4356dc3c9f43e65883819079a2053b0.
* [Doctest] Add configuration_encoder_decoder.py
add configuration_encoder_decoder.py to utils/documentation_tests.txt
* [Doctest] Add configuration_encoder_decoder.py
add configuration_encoder_decoder.py to utils/documentation_tests.txt
* [Doctest] Add configuration_encoder_decoder.py
add configuration_encoder_decoder.py to utils/documentation_tests.txt
* changed as per request
* fixed line 46