transformers

ffecfea9 - Correct wrong function signatures on the docs website (#13198)

Correct wrong function signatures on the docs website (#13198) * Correct outdated function signatures on website. * Upgrade sphinx to 3.5.4 (latest 3.x) * Test * Test * Test * Test * Test * Test * Revert unnecessary changes. * Change sphinx version to 3.5.4" * Test python 3.7.11