JetMonitoring: enable flake8, remove Py2 code
Enable flake8 checking and remove the Py2 backwards-compatibility code. Also fix an obvious logic bug in HIJetMonitoringHistos.py.
Edited by Frank Winklmeier
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Enable flake8 checking and remove the Py2 backwards-compatibility code. Also fix an obvious logic bug in HIJetMonitoringHistos.py.