 too many clients already
This just means your database is rejecting the connection because there are too many clients connected.
 I don't see how this is a peewee issue. Probably check your connection management code, maybe you're not properly closing connections.

In the future please provide some shred of useful information in a ticket, otherwise you're just wasting my time and yours.

OperationalError: FATAL:  sorry, too many clients already
FATAL:  sorry, too many clients already
