Whole file

open-spaced-repetition/py-fsrs

The author described this change as Fixes type bug where difficulty became an int if it exceeded the thresholds. (#74). It counts as a record because the check below fails on the code as it stood at f18100d29 and passes on c97c0da51, with nothing else changed between the two runs.

Fix saved2024-12-29
Sharing licenceMIT · LICENSE
Change size+2 2

What the code was meant to do, written into the code itself as a save note

Fixes type bug where difficulty became an int if it exceeded the thresholds. (#74)

The change

663663 )
664664
665665 # bound initial_difficulty between 1 and 10
666- initial_difficulty = min(max(initial_difficulty, 1), 10)
666+ initial_difficulty = min(max(initial_difficulty, 1.0), 10.0)
667667
668668 return initial_difficulty
669669
704704 next_difficulty = _mean_reversion(arg_1=arg_1, arg_2=arg_2)
705705
706706 # bound next_difficulty between 1 and 10
707- next_difficulty = min(max(next_difficulty, 1), 10)
707+ next_difficulty = min(max(next_difficulty, 1.0), 10.0)
708708
709709 return next_difficulty
710710

The check that tells the two apart

failpass·tests/test_fsrs.py::TestPyFSRS::test_repeated_correct_reviews

Check file tests/test_fsrs.py, taken without changes from the fix and copied onto the older code, so the exact same check runs against both versions.

Origin and history

The code before itf18100d29c774f981f873361d444f8db12e88f77
Broken version dated2024-12-19
Modulefsrs.fsrs
Units changedScheduler
Fingerprint90f15ea721747288
Checked2026-08-18 by goldset/0.1

Every field above is generated by our program. None of it is written by hand.

Other bugs found in open-spaced-repetition/py-fsrs