[L1-UPGRADE] py2/3 compatibility:drop use of __future__

[smuzaffar]

see #46762

[cmsbuild]

cms-bot internal usage

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-46782/42766

[cmsbuild]

A new Pull Request was created by @smuzaffar for master.

It involves the following packages:

• L1Trigger/L1CaloTrigger (l1, upgrade)
• L1Trigger/L1THGCal (l1, upgrade)
• L1Trigger/L1THGCalUtilities (l1, upgrade)
• L1Trigger/TrackTrigger (l1, upgrade)

@Moanwar, @aloeliger, @cmsbuild, @epalencia, @srimanob, @subirsarkar can you please review it and eventually sign? Thanks.
@Martin-Grunewald, @amarini, @erikbutz, @jbsauvan, @lgray, @missirol, @mmusich, @skinnari, @sviret this is something you requested to watch as well.
@antoniovilela, @mandrenguyen, @rappoccio, @sextonkennedy you are the release manager for this.

cms-bot commands are listed here

[smuzaffar]

please test

[cmsbuild]

+1

Size: This PR adds an extra 12KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-30ed10/43040/summary.html
COMMIT: b7cae98
CMSSW: CMSSW_15_0_X_2024-11-24-2300/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/46782/43040/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially added 1 lines to the logs
• Reco comparison results: 4 differences found in the comparisons
• DQMHistoTests: Total files compared: 46
• DQMHistoTests: Total histograms compared: 3483722
• DQMHistoTests: Total failures: 447
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3483255
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 45 files compared)
• Checked 202 log files, 172 edm output root files, 46 DQM output files
• TriggerResults: no differences found

[aloeliger]

+l1

[smuzaffar]

@cms-sw/upgrade-l2 , can you please review this?