PyDO2: How to handle DB restart?

Hello,

I'm using PyDO2 with PostgreSQL in a web application, hosted by a thirdy 
party provider, using a connection pool:

db_pool = ConnectionPool(
	max_poolsize=10,
	keep_poolsize=0,
	delay=0.2,
	retries=10
)

Sometimes the hosting restarts the PostgreSQL server, and I get this 
exception in my Python code (even *after* the server has been restarted):

"ProgrammingError: terminating connection due to administrator command
server closed the connection unexpectedly
        This probably means the server terminated abnormally
        before or while processing the request."

How could I avoid this exception?

Thank you

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