Fixed a couple of int/float bugs in internal modules/scripts.

[codecov[bot]]

Codecov Report

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

Comparison is base (efa8fb3) 47.44% compared to head (72f4718) 47.44%.

Files	Patch %	Lines
aipy/healpix.py	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #69 +/- ## ======================================= Coverage 47.44% 47.44% ======================================= Files 20 20 Lines 2312 2312 ======================================= Hits 1097 1097 Misses 1215 1215 ``` | [Flag](https://app.codecov.io/gh/HERA-Team/aipy/pull/69/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=HERA-Team) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/HERA-Team/aipy/pull/69/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=HERA-Team) | `47.44% <0.00%> (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=HERA-Team#carryforward-flags-in-the-pull-request-comment) to find out more.

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