fix(demo): make python_quickstart/demo.py work on sqlalchemy 2.0.27

[Shouren]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...) Bug fix for

  1. 3973

  2. 3932

• What is the current behavior? (You can also link to an open issue here) The demo script does not work on SQLAclmey 2.0.27

• What is the new behavior (if this is a feature change)? Make python_quickstart/demo.py work again.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 74.79%. Comparing base (0c6b820) to head (878fcfb). Report is 5 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #3979 +/- ## ============================================= + Coverage 41.61% 74.79% +33.18% Complexity 711 711 ============================================= Files 196 762 +566 Lines 11790 137456 +125666 Branches 2073 2073 ============================================= + Hits 4906 102811 +97905 - Misses 6581 34342 +27761 Partials 303 303 ```

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[github-actions[bot]]

SDK Test Report

102 files  102 suites   2m 15s :stopwatch: 359 tests 345 :white_check_mark: 14 :zzz: 0 :x: 487 runs  473 :white_check_mark: 14 :zzz: 0 :x:

Results for commit 878fcfb1.

:recycle: This comment has been updated with latest results.

[github-actions[bot]]

Linux Test Report

    60 files     253 suites   1h 56m 59s :stopwatch: 13 605 tests 13 598 :white_check_mark: 7 :zzz: 0 :x: 19 317 runs  19 310 :white_check_mark: 7 :zzz: 0 :x:

Results for commit 878fcfb1.

:recycle: This comment has been updated with latest results.