Problem with MLJ interface for KMedoidsClusterer

[ablaom]

import BetaML
using MLJTestInterface

@testset "generic mlj interface test" begin
    f, s = MLJTestInterface.test(
        [BetaML.Bmlj.KMeansClusterer,],
        MLJTestInterface.make_regression()[1];
        mod=@__MODULE__,
        verbosity=0, # bump to debug
        throw=true, # set to true to debug (`false` in CI)
    )
@test isempty(failures)
end

# generic mlj interface test: Error During Test at REPL[11]:1
#   Got exception outside of a @test
#   UndefVarError: `fitresults` not defined
#   Stacktrace:
#     [1] attempt(f::MLJTestInterface.var"#9#10"{BetaML.Bmlj.KMeansClusterer, Tuple{@NamedTuple{Rm::SubArray{Float64, 1, Matrix{Float64}, Tuple{Base.Slice{Base.OneTo{Int64}}, Int64}, true}, LStat::SubArray{Float64, 1, Matrix{Float64}, Tuple{Base.Slice{Base.OneTo{Int64}}, Int64}, true}}}}, message::String; throw::Bool)

< parts omitted for clarity >
  
#   caused by: UndefVarError: `fitresults` not defined
#   Stacktrace:
#     [1] fitted_params(model::BetaML.Bmlj.KMeansClusterer, fitresult::@NamedTuple{classes::Vector{Int64}, centers::Matrix{Float64}, distanceFunction::BetaML.Bmlj.var"#13#15"})
#       @ BetaML.Bmlj ~/.julia/packages/BetaML/SPPMQ/src/Bmlj/Clustering_mlj.jl:175
#     [2] fitted_params(mach::MLJBase.Machine{BetaML.Bmlj.KMeansClusterer, true})
#       @ MLJBase ~/.julia/packages/MLJBase/mIaqI/src/machines.jl:820
#     [3] (::MLJTestInterface.var"#9#10"{BetaML.Bmlj.KMeansClusterer, Tuple{@NamedTuple{Rm::SubArray{Float64, 1, Matrix{Float64}, Tuple{Base.Slice{Base.OneTo{Int64}}, Int64}, true}, LStat::SubArray{Float64, 1, Matrix{Float64}, Tuple{Base.Slice{Base.OneTo{Int64}}, Int64}, true}}}})()
#       @ MLJTestInterface ~/.julia/packages/MLJTestInterface/6i2JH/src/attemptors.jl:85
#     [4] attempt(f::MLJTestInterface.var"#9#10"{BetaML.Bmlj.KMeansClusterer, Tuple{@NamedTuple{Rm::SubArray{Float64, 1, Matrix{Float64}, Tuple{Base.Slice{Base.OneTo{Int64}}, Int64}, true}, LStat::SubArray{Float64, 1, Matrix{Float64}, Tuple{Base.Slice{Base.OneTo{Int64}}, Int64}, true}}}}, message::String; throw::Bool)
#       @ MLJTestInterface ~/.julia/packages/MLJTestInterface/6i2JH/src/attemptors.jl:15
#     [5] #fitted_machine#8
#       @ ~/.julia/packages/MLJTestInterface/6i2JH/src/attemptors.jl:77 [inlined]
#     [6] fitted_machine
#       @ ~/.julia/packages/MLJTestInterface/6i2JH/src/attemptors.jl:75 [inlined]
#     [7] test(model_types::Vector{DataType}, data::@NamedTuple{Rm::SubArray{Float64, 1, Matrix{Float64}, Tuple{Base.Slice{Base.OneTo{Int64}}, Int64}, true}, LStat::SubArray{Float64, 1, Matrix{Float64}, Tuple{Base.Slice{Base.OneTo{Int64}}, Int64}, true}}; mod::Module, level::Int64, throw::Bool, verbosity::Int64)                                                       
#       @ MLJTestInterface ~/.julia/packages/MLJTestInterface/6i2JH/src/test.jl:202
#     [8] macro expansion
#       @ REPL[11]:2 [inlined]
#     [9] macro expansion
#       @ /Applications/Julia-1.10.app/Contents/Resources/julia/share/julia/stdlib/v1.10/Test/src/Test.jl:1577 [inlined]
#    [10] top-level scope
#       @ REPL[11]:2
#    [11] eval
#       @ Core ./boot.jl:385 [inlined]
#    [12] eval_user_input(ast::Any, backend::REPL.REPLBackend, mod::Module)
#       @ REPL /Applications/Julia-1.10.app/Contents/Resources/julia/share/julia/stdlib/v1.10/REPL/src/REPL.jl:150                                                         
#    [13] repl_backend_loop(backend::REPL.REPLBackend, get_module::Function)
#       @ REPL /Applications/Julia-1.10.app/Contents/Resources/julia/share/julia/stdlib/v1.10/REPL/src/REPL.jl:246
#    [14] start_repl_backend(backend::REPL.REPLBackend, consumer::Any; get_module::Function)
#       @ REPL /Applications/Julia-1.10.app/Contents/Resources/julia/share/julia/stdlib/v1.10/REPL/src/REPL.jl:231
#    [15] run_repl(repl::AbstractREPL, consumer::Any; backend_on_current_task::Bool, backend::
# Any)                                                                                       
#       @ REPL /Applications/Julia-1.10.app/Contents/Resources/julia/share/julia/stdlib/v1.10/REPL/src/REPL.jl:389
#    [16] run_repl(repl::AbstractREPL, consumer::Any)
#       @ REPL /Applications/Julia-1.10.app/Contents/Resources/julia/share/julia/stdlib/v1.10/REPL/src/REPL.jl:375
#    [17] (::Base.var"#1013#1015"{Bool, Bool, Bool})(REPL::Module)
#       @ Base ./client.jl:432
#    [18] #invokelatest#2
#       @ Base ./essentials.jl:887 [inlined]
#    [19] invokelatest
#       @ Base ./essentials.jl:884 [inlined]
#    [20] run_main_repl(interactive::Bool, quiet::Bool, banner::Bool, history_file::Bool, color_set::Bool)                                                                            
#       @ Base ./client.jl:416
#    [21] exec_options(opts::Base.JLOptions)
#       @ Base ./client.jl:333
#    [22] _start()
#       @ Base ./client.jl:552
# Test Summary:              | Error  Total  Time
# generic mlj interface test |     1      1  6.6s
# ERROR: Some tests did not pass: 0 passed, 0 failed, 1 errored, 0 broken.
 

[sylvaticus]

Corrected and added this test on top of the already existing tests... thank you