[DEVEL] Disable python for lhapdf: need lhapdf 6.3.0 for py3.9

[smuzaffar]

@davidlange6 , looks like lhapdf 6.2.3 does not build with python 3.9 that is why DEVEL IBs are not building
For now I have disabled the python for lhapdf, we need lhapdf 6.3.0 which works with python 3.9

[smuzaffar]

please test for CMSSW_12_0_DEVEL_X

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for branch IB/CMSSW_12_0_X/devel.

@smuzaffar, @mrodozov, @iarspider can you please review it and eventually sign? Thanks.
@silviodonato, @dpiparo, @qliphy you are the release manager for this.
cms-bot commands are listed here

[smuzaffar]

+externals
tests looks good, lets get this in DEVEL IBs

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_12_0_X/devel IBs after it passes the integration tests. This pull request will now be reviewed by the release team before it's merged. @silviodonato, @dpiparo, @qliphy (and backports should be raised in the release meeting by the corresponding L2)

[cmsbuild]

-1

Failed Tests: UnitTests
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5905c4/16439/summary.html
COMMIT: 79d09c4
CMSSW: CMSSW_12_0_DEVEL_X_2021-07-01-2300/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/7096/16439/install.sh to create a dev area with all the needed externals and cmssw changes.

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

• Revert "remove python2 bindings from opencv and llvm " #7094 @cms-sw: Revert "remove python2 bindings from opencv and llvm "
• Python3 migration: drop py2-cython and only built it for py3 #7092 @cms-sw: Python3 migration: drop py2-cython and only built it for py3
• remove python2 bindings from opencv and llvm  #7093 @davidlange6: remove python2 bindings from opencv and llvm
• python3 migration: drop py2-backports #7090 @cms-sw: python3 migration: drop py2-backports
• py2 cleanup: doxygen lhapdf and libxslt #7086 @cms-sw: py2 cleanup: doxygen lhapdf and libxslt
• [GOSAM] updated gosam to 2.1.0 #7089 @cms-sw: [GOSAM] updated gosam to 2.1.0
• py2 cleanup: fastjet and mxnet-predict build with py3 #7087 @cms-sw: py2 cleanup: fastjet and mxnet-predict build with py3

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5905c4/16439/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5905c4/16439/git-merge-result

Unit Tests

I found errors in the following unit tests:

---> test test_PixelBaryCentreTool had ERRORS

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 5133 differences found in the comparisons
• DQMHistoTests: Total files compared: 38
• DQMHistoTests: Total histograms compared: 2785711
• DQMHistoTests: Total failures: 7
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2785682
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 37 files compared)
• Checked 160 log files, 37 edm output root files, 38 DQM output files
• TriggerResults: no differences found