Update deduplicator.py
Update deduplicator.py

Former-commit-id: e3f7cc85c0ea1c300f07b207dc7b9cad949bec7a
robcza/intelmq,aaronkaplan/intelmq,certtools/intelmq,pkug/intelmq,robcza/intelmq,sch3m4/intelmq,sch3m4/intelmq,pkug/intelmq,pkug/intelmq,pkug/intelmq,sch3m4/intelmq,aaronkaplan/intelmq,robcza/intelmq,aaronkaplan/intelmq,certtools/intelmq,certtools/intelmq,sch3m4/intelmq,robcza/intelmq