Changed/Fixed error message.

[thesayfulla]

Description

ValueError message was "intrable". I have changed it to "iterable".

References

Provide any github issue fixed (as in Fix #XYZ)

Checklist

• [x] I have read the contribution guide
• [ ] Code lint checked via inv lint
• [ ] changes file included (see docs)
• [ ] Usage documentation added in case of new features
• [ ] Tests added

[codecov[bot]]

Codecov Report

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

Comparison is base (376bd67) 97.81% compared to head (0ed18ef) 97.81%. Report is 1 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #176 +/- ## ======================================== Coverage 97.81% 97.81% ======================================== Files 8 8 Lines 548 548 Branches 99 99 ======================================== Hits 536 536 Misses 6 6 Partials 6 6 ``` | [Flag](https://app.codecov.io/gh/nephila/django-meta/pull/176/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nephila) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/nephila/django-meta/pull/176/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nephila) | `97.62% <50.00%> (ø)` | | 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=nephila#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files](https://app.codecov.io/gh/nephila/django-meta/pull/176?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nephila) | Coverage Δ | | |---|---|---| | [meta/\_\_init\_\_.py](https://app.codecov.io/gh/nephila/django-meta/pull/176?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nephila#diff-bWV0YS9fX2luaXRfXy5weQ==) | `100.00% <100.00%> (ø)` | | | [meta/views.py](https://app.codecov.io/gh/nephila/django-meta/pull/176?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nephila#diff-bWV0YS92aWV3cy5weQ==) | `98.23% <0.00%> (ø)` | |

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[protoroto]

@thesayfulla Thanks for this pr!