Fix 471

[ismael-mendoza]

Closes #471

[codecov[bot]]

Codecov Report

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

Project coverage is 61.82%. Comparing base (7a570f1) to head (7aea119).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #482 +/- ## ======================================= Coverage 61.82% 61.82% ======================================= Files 19 19 Lines 1569 1564 -5 ======================================= - Hits 970 967 -3 + Misses 599 597 -2 ``` | [Flag](https://app.codecov.io/gh/LSSTDESC/BlendingToolKit/pull/482/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/LSSTDESC/BlendingToolKit/pull/482/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC) | `61.82% <ø> (+<0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC#carryforward-flags-in-the-pull-request-comment) to find out more.

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