Follow the same convention as the rest of the file.

try:

    import psycopg2 as Database

    import psycopg2.extensions

    import psycopg2.Error

except ImportError, e:

    from django.core.exceptions import ImproperlyConfigured

    raise ImproperlyConfigured("Error loading psycopg2 module: %s" % e)

        try:

            self.connection.close()

            self.connection = None

        except psycopg2.Error:

        except Database.Error:

            # In some cases (database restart, network connection lost etc...)

            # the connection to the database is lost without giving Django a

            # notification. If we don't set self.connection to None, the error