root/olares3: links for singleflight

root/olares3 singleflight-0.1.3.tar.gz
root/olares3 singleflight-0.1.2.tar.gz
root/olares3 singleflight-0.1.1.tar.gz
root/olares3 singleflight-0.1.0.tar.gz
root/olares3 singleflight-0.1.0-py3.7.egg