fix deletion of provider map
fix deletion of provider map

felliott/scrapi,fabianvf/scrapi,felliott/scrapi,erinspace/scrapi,mehanig/scrapi,CenterForOpenScience/scrapi,mehanig/scrapi,icereval/scrapi,ostwald/scrapi,jeffreyliu3230/scrapi,alexgarciac/scrapi,CenterForOpenScience/scrapi,erinspace/scrapi,fabianvf/scrapi