Update experiment.py
Update experiment.py

Trying to tidy up code to find the error in the AuditFailure line.
T2DREAM/t2dream-portal,ClinGen/clincoded,4dn-dcic/fourfront,ENCODE-DCC/snovault,kidaa/encoded,philiptzou/clincoded,ENCODE-DCC/snovault,hms-dbmi/fourfront,4dn-dcic/fourfront,ENCODE-DCC/snovault,philiptzou/clincoded,philiptzou/clincoded,kidaa/encoded,ENCODE-DCC/encoded,kidaa/encoded,ENCODE-DCC/snovault,4dn-dcic/fourfront,ClinGen/clincoded,ClinGen/clincoded,ENCODE-DCC/snovault,ClinGen/clincoded,ENCODE-DCC/encoded,T2DREAM/t2dream-portal,ClinGen/clincoded,ENCODE-DCC/encoded,ENCODE-DCC/encoded,hms-dbmi/fourfront,philiptzou/clincoded,hms-dbmi/fourfront,T2DREAM/t2dream-portal,hms-dbmi/fourfront,4dn-dcic/fourfront,philiptzou/clincoded,T2DREAM/t2dream-portal,kidaa/encoded,kidaa/encoded,hms-dbmi/fourfront