fix: forgot to add getPValue to python side

[dylanw-oss]

I forgot function getPValue won't be auto-generated, also update other functions to use _java_obj

[github-actions]

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[dylanw-oss]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov-commenter]

Codecov Report

Merging #1909 (ed94b12) into master (13afff6) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1909      +/-   ##
==========================================
- Coverage   86.82%   86.81%   -0.02%     
==========================================
  Files         301      301              
  Lines       15596    15596              
  Branches      815      815              
==========================================
- Hits        13541    13539       -2     
- Misses       2055     2057       +2     

see 1 file with indirect coverage changes

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[dylanw-oss]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[dylanw-oss]

build broken? restart it

[dylanw-oss]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[svotaw]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[dylanw-oss]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[dylanw-oss]

unrelated test VowpalWabbitMulticlassclassification failed again.