I found below link
http://python.projects.pgfoundry.org/docs/1.0/driver.html#connection-keywords
it says...
import postgresql.driver as pg_driver
is the way to import
i used -
import postgresql.driver as pg_driver
pg_driver.connect(user = self.username, password = self.password, host = self.host, port = self.port,sslmode = 'verify-full', sslrootcert=self.ssl_cert)
but it gives 'ImportError: No module named postgresql.driver'
i tried 'pip install postgresql' but it gives 'Could not find any downloads that satisfy the requirement postgresql No distributions at all found for postgresql'
how can i fixed that ???