Fix some errors related to recent pyuvdata changes

[bhazelton]

Fixes a couple of bugs with the newest pyuvdata. There are still some test errors that I don't think are related to pyuvdata changes.

[codecov]

Codecov Report

Patch coverage: 96.95% and project coverage change: -0.03% ⚠️

Comparison is base (829c2de) 97.20% compared to head (7fe298d) 97.17%.
Report is 234 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #908      +/-   ##
==========================================
- Coverage   97.20%   97.17%   -0.03%     
==========================================
  Files          21       23       +2     
  Lines        9455    10282     +827     
==========================================
+ Hits         9191     9992     +801     
- Misses        264      290      +26     

Files Changed	Coverage Δ
hera_cal/_cli_tools.py	97.56% <ø> (ø)
hera_cal/abscal.py	96.99% <ø> (ø)
hera_cal/vis_clean.py	97.77% <ø> (ø)
hera_cal/utils.py	95.58% <93.24%> (-0.67%)	⬇️
hera_cal/io.py	98.15% <96.36%> (-0.21%)	⬇️
hera_cal/lstbin.py	96.90% <97.22%> (+0.23%)	⬆️
hera_cal/lstbin_simple.py	97.65% <97.65%> (ø)
hera_cal/datacontainer.py	98.69% <100.00%> (+0.32%)	⬆️
hera_cal/delay_filter.py	100.00% <100.00%> (ø)
hera_cal/frf.py	97.53% <100.00%> (+0.03%)	⬆️
... and 2 more

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