Allow fwhm_fromlines for tilts calibration

[debora-pe]

As title. Addresses issue #1688
Also, a small fix to pypeit_chk_tilts

[codecov]

Codecov Report

Attention: Patch coverage is 31.57895% with 13 lines in your changes missing coverage. Please review.

Project coverage is 38.07%. Comparing base (2b53647) to head (7a3944e).

Files with missing lines	Patch %	Lines
pypeit/wavetilts.py	33.33%	10 Missing ⚠️
pypeit/scripts/chk_tilts.py	0.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1861   +/-   ##
========================================
  Coverage    38.07%   38.07%           
========================================
  Files          211      211           
  Lines        49051    49064   +13     
========================================
+ Hits         18675    18680    +5     
- Misses       30376    30384    +8     

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[profxj]

very good, thanks!

[profxj]

thx for polishing these!

[kbwestfall]

Looks good to me! Approving now, but we need to run the tests.

[debora-pe]

Tests pass (the failed unit tests are the usual setup_gui tests that my machine have problems with):

--- PYTEST PYPEIT UNIT TESTS PASSED  256 passed, 60 warnings in 363.78s (0:06:03) ---
--- PYTEST UNIT TESTS FAILED  7 failed, 145 passed, 168 warnings in 4220.26s (1:10:20) ---
--- PYTEST VET TESTS PASSED  62 passed, 99 warnings in 5440.19s (1:30:40) ---
--- PYPEIT DEVELOPMENT SUITE PASSED 247/247 TESTS  ---
Testing Started at 2024-10-21T17:38:51.617178
Testing Completed at 2024-10-22T07:48:40.394650
Total Time: 14:09:48.777472