Fix collector.py
Fix collector.py

venkey-ariv/fullerite,chrisenuf/fullerite,venkey-ariv/fullerite,jaxxstorm/fullerite,Yelp/fullerite,qnib/QNIBCollect,tsheasha/fullerite,mikepea/fullerite,jaxxstorm/fullerite,Yelp/fullerite,mikepea/fullerite,qnib/QNIBCollect,chrisenuf/fullerite,tsheasha/fullerite,chrisenuf/fullerite,mikepea/fullerite,baris/fullerite,qnib/QNIBCollect,venkey-ariv/fullerite,baris/fullerite,tsheasha/fullerite,baris/fullerite,jaxxstorm/fullerite,qnib/QNIBCollect,tsheasha/fullerite,Yelp/fullerite,chrisenuf/fullerite,baris/fullerite,mikepea/fullerite,venkey-ariv/fullerite,jaxxstorm/fullerite,Yelp/fullerite