Update tasks.py
Update tasks.py

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hmoco/waterbutler,Johnetordoff/waterbutler,cosenal/waterbutler,chrisseto/waterbutler,kwierman/waterbutler,TomBaxter/waterbutler,felliott/waterbutler,rdhyee/waterbutler,rafaeldelucena/waterbutler,RCOSDP/waterbutler,Ghalko/waterbutler,icereval/waterbutler,CenterForOpenScience/waterbutler