[v35] fixes for new pylint version
BEGINRELEASENOTES
*Workflow
FIX: AnalyseWN: fix potential use before assignment
*ITS
FIX: dirac_ilc_production_summary: fix potential use before assignment
FIX: SidProductionJob: fix possible use before assignment, add error message
*Calibration
FIX: Calib: fix potential used without assignment
ENDRELEASENOTES