fix property name in method

[codecov-commenter]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (a965584) 90.10% compared to head (088ecf8) 90.10%.

Files	Patch %	Lines
...nversion_solution/inversion_solution_operations.py	0.00%	1 Missing :warning:

:exclamation: Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #21 +/- ## ======================================= Coverage 90.10% 90.10% ======================================= Files 14 14 Lines 768 768 Branches 59 59 ======================================= Hits 692 692 Misses 68 68 Partials 8 8 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.