Fixed a missing method in OneClassGMM algorithm

4 jobs for algo_fix in 23 minutes and 42 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Build
passed #127397
docker
build_linux_27

00:19:13

passed #127398
docker
build_linux_36

00:19:13

passed #127399
macosx
build_macosx_27

00:23:41

passed #127400
macosx
build_macosx_36

00:23:34