clinical trials normalizer cleaned up import statements and spaces
clinical trials normalizer cleaned up import statements and spaces

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