Fix q_t1 dimensionality bug

[wouterwln]

For some reason here we expect a 3 dimensional tensor but this does not make sense at all, it should be a vector

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.99%. Comparing base (30c25a6) to head (b687d1d).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #504      +/-   ##
==========================================
+ Coverage   75.95%   75.99%   +0.03%     
==========================================
  Files         205      205              
  Lines        6067     6077      +10     
==========================================
+ Hits         4608     4618      +10     
  Misses       1459     1459              

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[bvdmitri]

good catch