[BUG] org-agenda-get-scheduled in 2e99997 ignores org-todo-keywords [9.5 (release_9.5 @ /home/ning/.emacs.d/.local/straight/build-27.1/org-mode/)]

[Ning Yuan]

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A few days ago I updated org-mode to the latest available commit,
"9.6-??-2e99997".
After this update, tasks which were closed by my custom "CANCELLED"
keyword, defined in org-todo-keywords, appeared in my org-agenda as if
they were still open.
I believe org-agenda-get-scheduled may be the culprit, but I am not too
sure.

Reverting my org-mode version to 9.5 (stable) without any change in
configuration fixed this bug for me.

Here's how my org-todo-keywords is set:
(setq org-todo-keywords
      '((sequence "TODO(t)" "|" "CANCELLED(c)" "DONE(d)")))

Sorry if this description is too vague or unhelpful --- I know very
little emacs-lisp.

Emacs  : GNU Emacs 27.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.11)
 of 2020-09-02
Package: Org mode version 9.5 (release_9.5 @
/home/ning/.emacs.d/.local/straight/build-27.1/org-mode/)
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