Fix Types. Fix `adding Hebrew objects` bug

[dickermoshe]

Type of changes

• [x] 🐛 Bug fix
• [ ] 🎁 New feature
• [ ] 📄 Documentation / docstrings
• [ ] 🧪 Tests
• [ ] Other

Checklist

• [x] 💻 I've run the latest black with default args on new code.
• [x] 🧪 I've added tests for new code.
• [x] ✔️ I ran pytest with the --codeblocks flag to ensure that my changes are compatible with the codeblocks found in the documentation.
• [x] 🕵️ I accept that @avi-perl may be pedantic (just a little) in the code review.

Description

Please describe your changes here. If this fixes a bug, please link to the issue, if possible.

[codecov-commenter]

Codecov Report

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

Comparison is base (323811f) 100.00% compared to head (55af18e) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #18 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 14 13 -1 Lines 939 942 +3 ========================================= + Hits 939 942 +3 ``` | [Flag](https://app.codecov.io/gh/avi-perl/Hebrew/pull/18/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Avi+Perl) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/avi-perl/Hebrew/pull/18/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Avi+Perl) | `100.00% <100.00%> (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=Avi+Perl#carryforward-flags-in-the-pull-request-comment) to find out more.

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