Fix predict_kwargs key error

[LeonStadelmann]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 0.00%. Comparing base (c574350) to head (577cccd).
⚠️ Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
src/cellflow/model/_cellflow.py	0.00%	2 Missing ⚠️
src/cellflow/solvers/_genot.py	0.00%	2 Missing ⚠️

❌ Your project check has failed because the head coverage (0.00%) is below the target coverage (75.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #267   +/-   ##
=====================================
  Coverage   0.00%   0.00%           
=====================================
  Files         38      38           
  Lines       2727    2755   +28     
=====================================
- Misses      2727    2755   +28     

Files with missing lines	Coverage Δ
src/cellflow/model/_cellflow.py	0.00% <0.00%> (ø)
src/cellflow/solvers/_genot.py	0.00% <0.00%> (ø)

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