<filename>HLTrigger/Configuration/python/Eras.py
import FWCore.ParameterSet.Config as cms

def modifyHLTforEras(fragment):
    """load all Eras-based customisations for the HLT configuration"""


<filename>HLTrigger/Configuration/python/Eras.py
import FWCore.ParameterSet.Config as cms

def modifyHLTforEras(fragment):
    """load all Eras-based customisations for the HLT configuration"""


load all Eras-based customisations for the HLT configuration