I have a similar question, therefore I won't open another thread: my notebook hangs too at
import lsst.sims.maf.db as db
dbFile = '/sims_maf/fbs_1.5/baseline/baseline_v1.5_10yrs.db'
opsdb = db.OpsimDatabase(dbFile)
but not for just 10 minutes, but indefinitely. I have tried different baselines, I also tried to call directly OpsimDatabaseV4 or OpsimDatabaseV3 but there is no change at all. I have tried to import a custom OpSimDatabase (identical to the original one but with some print commands to find the problem), e.g.
from OpsimDatabase_ours import OpsimDatabaseV4
and I found that the hanging happens when inheriting the class
super(OpsimDatabaseV4, self).__init__(database=database, driver=driver, host=host, port=port,
I could not understand more than this.