support for PyQt6

[splidje]

I tried to run on my Ubuntu 25 and hit an error which this fixes which I believe is due to not currently supporting PyQt6.

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: splidje / name: splidje (2928524)

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.00%. Comparing base (c0e97b0) to head (2928524).
⚠️ Report is 73 commits behind head on main.

❌ Your changes status has failed because you have indirect coverage changes. Learn more about Unexpected Coverage Changes and reasons for indirect coverage changes.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1952      +/-   ##
==========================================
+ Coverage   84.11%   85.00%   +0.88%     
==========================================
  Files         198      181      -17     
  Lines       22241    13074    -9167     
  Branches     4687     1206    -3481     
==========================================
- Hits        18709    11113    -7596     
+ Misses       2610     1778     -832     
+ Partials      922      183     -739     

Flag	Coverage Δ
py-unittests	85.00% <ø> (+0.88%)	⬆️

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see 139 files with indirect coverage changes

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[apetrynet]

Hi, @splidje

We're in the process of moving otioview to its own repo. In that process I did a similar fix.
Please check out this repo

[apetrynet]

@splidje
Have you tried the new otioview repo? Is it OK if we close this PR?

[splidje]

@splidje Have you tried the new otioview repo? Is it OK if we close this PR?

@apetrynet , yes I've tried that now and all working well. Ok for this to be closed.