Fix jsonb_plpython tests on older Python versions

Peter Eisentraut <peter_e@gmx.net>

Commit: e81fc9b9dbf9d744dcc9fb210e4353a350be1e22
Author: Peter Eisentraut <peter_e@gmx.net>
Date: 2018-03-28T15:01:40Z
Releases: 11.0
Fix jsonb_plpython tests on older Python versions

Rewrite one test to avoid a case where some Python versions have output
format differences (Decimal('1') vs Decimal("1")).

Files