fixed a bug where the frequency analysis data for matching exercises would be deleted

4 jobs for 2.4.0 in 2 minutes and 45 seconds (queued for 7 minutes and 57 seconds)
latest
Status Job ID Name Coverage
  Build
passed #39643
build

00:00:06

 
  Ci
passed #39645
ci_backend

00:00:27

passed #39644
ci_frontend

00:02:09

 
  Coverage
passed #39646
coverage

00:00:01

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