Updating type hints

[apchytr]

Reopening to avoid unwanted commits

Context: The use of Optional and Union should be replaced with | according to PEP standards.

Description of the Change: Optional -> | None, Union -> |, Tuple -> tuple, etc

[codecov]

Codecov Report

Attention: Patch coverage is 96.87500% with 5 lines in your changes missing coverage. Please review.

Project coverage is 89.23%. Comparing base (4b2eb81) to head (5718df6).
Report is 1 commits behind head on develop.

Files	Patch %	Lines
mrmustard/training/parameter_update.py	0.00%	5 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #466   +/-   ##
========================================
  Coverage    89.22%   89.23%           
========================================
  Files          102      102           
  Lines         7201     7206    +5     
========================================
+ Hits          6425     6430    +5     
  Misses         776      776           

Files	Coverage Δ
mrmustard/lab/abstract/state.py	92.66% <100.00%> (ø)
mrmustard/lab/abstract/transformation.py	89.53% <100.00%> (ø)
mrmustard/lab/circuit.py	95.08% <100.00%> (-0.08%)	⬇️
mrmustard/lab/detectors.py	79.86% <100.00%> (+0.13%)	⬆️
mrmustard/lab/gates.py	97.25% <100.00%> (+<0.01%)	⬆️
mrmustard/lab/states.py	100.00% <100.00%> (ø)
mrmustard/lab/utils.py	100.00% <100.00%> (ø)
mrmustard/lab_dev/circuit_components.py	98.38% <100.00%> (ø)
...mustard/lab_dev/circuit_components_utils/b_to_q.py	100.00% <ø> (ø)
mrmustard/lab_dev/circuits.py	93.02% <100.00%> (ø)
... and 33 more

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[ziofil]

thanks!

[ziofil]

great 👍