Fix incar handling in elasticity

[codecov-commenter]

Codecov Report

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

Comparison is base (b2cedcf) 91.36% compared to head (fd2c7c3) 91.36%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #868 +/- ## ======================================= Coverage 91.36% 91.36% ======================================= Files 138 138 Lines 12748 12748 ======================================= Hits 11647 11647 Misses 1101 1101 ``` | [Files](https://app.codecov.io/gh/materialsproject/emmet/pull/868?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=materialsproject) | Coverage Δ | | |---|---|---| | [...et-builders/emmet/builders/materials/elasticity.py](https://app.codecov.io/gh/materialsproject/emmet/pull/868?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=materialsproject#diff-ZW1tZXQtYnVpbGRlcnMvZW1tZXQvYnVpbGRlcnMvbWF0ZXJpYWxzL2VsYXN0aWNpdHkucHk=) | `83.68% <100.00%> (ø)` | |

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