Sometimes normalized is None
Sometimes normalized is None

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