[3.11] Fixes duplicated word (GH-102623) (#102624)

Fixes duplicated word (GH-102623)

In line 1627, the end of the sentence reads "only that that it may be." but it should read "only that it may be" (or alternatively "only that that may be").

(cherry picked from commit e6210621bee4ac10e18b4adc11229b8cc1ee788d)

Co-authored-by: Guido van Rossum <guido@python.org>
Co-authored-by: Hugo Gabriel Eyherabide <hugogabriel.eyherabide@gmail.com>