JSON: don't sleep when there are warnings in the input topology
JSON: don't sleep when there are warnings in the input topology

Well, sleeping ain't fun. A red warning is plenty. In case of API
access, there's none, but that's just the APIs are.

Change-Id: I2fb0c051a9c3bb7f2ef2264083686e929c27ec2c
Fixes: 6a6591e4 (Add a warning message when attributes are missing in eqpt_config.json)

Telecominfraproject/gnpy