H2O build fails with pip version >=21.3

[exalate-issue-sync]

h2o-py build relies on private function in pip library which has been removed from pip in version 21.3.
Need to rely on standard pkg_resources module from setuptools instead.

{noformat}> Task :h2o-py:verifyDependencies FAILED
Module pip is not installed

Task :h2o-web:installNpmPackages
audited 114 packages in 1.241s
found 11 vulnerabilities (2 low, 6 moderate, 2 high, 1 critical)
run npm audit fix to fix them, or npm audit for details
:h2o-web:installNpmPackages took 2.136 secs

Task :h2o-genmodel:compileJava
Note: /Users/seb/repos/h2o/h2o-3/h2o-genmodel/src/main/java/hex/genmodel/GenModel.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
:h2o-genmodel:compileJava took 2.581 secs

Task timings:
2.581 secs :h2o-genmodel:compileJava
2.136 secs :h2o-web:installNpmPackages
0.710 secs :h2o-py:verifyDependencies
0.332 secs :h2o-r:getRVersion
0.225 secs :h2o-py:createVersionFiles
0.470 secs All others

FAILURE: Build failed with an exception.
{noformat}

[h2o-ops-ro]

JIRA Issue Details

Jira Issue: PUBDEV-8395
Assignee: Sebastien Poirier
Reporter: Sebastien Poirier
State: Resolved
Fix Version: 3.34.0.4
Attachments: N/A
Development PRs: Available

[h2o-ops-ro]

Linked PRs from JIRA

#5846