[sphinx] Fixed doctests

4 jobs for sphinx in 6 minutes and 22 seconds (queued for 6 seconds)
Status Job ID Name Coverage
  Build
passed #218432
docker
build_linux_36

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passed #218433
docker
build_linux_37

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passed #218430
macosx
build_macosx_36

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passed #218431
macosx
build_macosx_37

00:06:17

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