Update cassandra.py
Update cassandra.py
mehanig/scrapi,ostwald/scrapi,CenterForOpenScience/scrapi,mehanig/scrapi,CenterForOpenScience/scrapi,fabianvf/scrapi,jeffreyliu3230/scrapi,felliott/scrapi,alexgarciac/scrapi,fabianvf/scrapi,felliott/scrapi,erinspace/scrapi,icereval/scrapi,erinspace/scrapi