Fix 616

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.01 :warning:

Comparison is base (72fbca4) 99.43% compared to head (2a49b34) 99.43%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #665 +/- ## ========================================== - Coverage 99.43% 99.43% -0.01% ========================================== Files 75 74 -1 Lines 15510 15474 -36 Branches 2088 2082 -6 ========================================== - Hits 15423 15387 -36 Misses 63 63 Partials 24 24 ``` | [Impacted Files](https://app.codecov.io/gh/bashtage/arch/pull/665?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kevin+Sheppard) | Coverage Δ | | |---|---|---| | [arch/tests/univariate/test\_variance\_forecasting.py](https://app.codecov.io/gh/bashtage/arch/pull/665?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kevin+Sheppard#diff-YXJjaC90ZXN0cy91bml2YXJpYXRlL3Rlc3RfdmFyaWFuY2VfZm9yZWNhc3RpbmcucHk=) | `99.92% <ø> (ø)` | | | [arch/univariate/base.py](https://app.codecov.io/gh/bashtage/arch/pull/665?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kevin+Sheppard#diff-YXJjaC91bml2YXJpYXRlL2Jhc2UucHk=) | `98.95% <ø> (-0.01%)` | :arrow_down: | | [arch/univariate/mean.py](https://app.codecov.io/gh/bashtage/arch/pull/665?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kevin+Sheppard#diff-YXJjaC91bml2YXJpYXRlL21lYW4ucHk=) | `98.45% <ø> (-0.01%)` | :arrow_down: | | [arch/conftest.py](https://app.codecov.io/gh/bashtage/arch/pull/665?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kevin+Sheppard#diff-YXJjaC9jb25mdGVzdC5weQ==) | `100.00% <100.00%> (ø)` | | | [arch/tests/covariance/test\_covariance.py](https://app.codecov.io/gh/bashtage/arch/pull/665?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kevin+Sheppard#diff-YXJjaC90ZXN0cy9jb3ZhcmlhbmNlL3Rlc3RfY292YXJpYW5jZS5weQ==) | `100.00% <100.00%> (ø)` | | | [arch/tests/univariate/test\_forecast.py](https://app.codecov.io/gh/bashtage/arch/pull/665?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kevin+Sheppard#diff-YXJjaC90ZXN0cy91bml2YXJpYXRlL3Rlc3RfZm9yZWNhc3QucHk=) | `100.00% <100.00%> (ø)` | | | [arch/tests/univariate/test\_mean.py](https://app.codecov.io/gh/bashtage/arch/pull/665?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kevin+Sheppard#diff-YXJjaC90ZXN0cy91bml2YXJpYXRlL3Rlc3RfbWVhbi5weQ==) | `100.00% <100.00%> (ø)` | | | [arch/tests/univariate/test\_rescale.py](https://app.codecov.io/gh/bashtage/arch/pull/665?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kevin+Sheppard#diff-YXJjaC90ZXN0cy91bml2YXJpYXRlL3Rlc3RfcmVzY2FsZS5weQ==) | `100.00% <100.00%> (ø)` | |

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[bashtage]

xref #616