Fix area field as integer value

[danangmassandy]

This is for #2074.

[lgkgh]

Jenkins Build Details:

Build status: FAILURE Build duration: 1 min 39 sec

[lgkgh]

Jenkins Build Details:

Build status: FAILURE Build duration: 1 min 29 sec

[github-actions[bot]]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
16987	16486	97%	0%	🟢

New Files

No new covered files...

Modified Files

No covered modified files...

updated for commit: 78d82a4 by action🐍

[codecov[bot]]

Codecov Report

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

Project coverage is 97.25%. Comparing base (00160eb) to head (78d82a4).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2091 +/- ## ========================================== - Coverage 97.25% 97.25% -0.01% ========================================== Files 374 374 Lines 16788 16789 +1 ========================================== Hits 16328 16328 - Misses 460 461 +1 ```

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[lgkgh]

Jenkins Build Details:

Build status: FAILURE Build duration: 1 min 32 sec

[lgkgh]

Jenkins Build Details:

Build status: FAILURE Build duration: 3 min 11 sec

[lgkgh]

Jenkins Build Details:

Build status: FAILURE Build duration: 14 min

[lgkgh]

Jenkins Build Details:

Build status: SUCCESS Build duration: 53 min