Fix certificate watch
Fix certificate watch

In python3, it was not working.
If another file got added, it could go
with a busy loop.

jjohnson42/confluent,xcat2/confluent,jjohnson42/confluent,xcat2/confluent,jjohnson42/confluent,xcat2/confluent,xcat2/confluent,jjohnson42/confluent,xcat2/confluent,jjohnson42/confluent