perf: tuck away imports not needed to display cli help

[joanise]

See EveryVoiceTTS/EveryVoice#783

[semanticdiff-com]

Review changes with  

Changed Files

File	Status
aligner/utils.py	0% smaller

[github-actions]

CLI load time: 0:00.16
Pull Request HEAD: d226221d1f6faba7e7dc20d77d74c1fded67a95c
Imports that take more than 0.1 s:
import time: self [us] | cumulative | imported package

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.86%. Comparing base (e4311d7) to head (d226221).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #27   +/-   ##
=======================================
  Coverage   96.86%   96.86%           
=======================================
  Files           5        5           
  Lines         223      223           
=======================================
  Hits          216      216           
  Misses          7        7           

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