Forwarding bug + API Cursors bug

[SamirDroubi]

This PR fixes two unrelated bugs:
1- Bug in forwarding same as #388
2- Missing import in API_cursors

[codecov-commenter]

Codecov Report

Merging #391 (9d4f364) into master (b193279) will decrease coverage by 0.05%.
The diff coverage is 100.00%.

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@@            Coverage Diff             @@
##           master     #391      +/-   ##
==========================================
- Coverage   86.74%   86.69%   -0.05%     
==========================================
  Files          76       76              
  Lines       17189    17202      +13     
==========================================
+ Hits        14910    14914       +4     
- Misses       2279     2288       +9     

Impacted Files	Coverage Δ
src/exo/API_cursors.py	74.18% <ø> (ø)
src/exo/internal_cursors.py	95.77% <100.00%> (+0.04%)	⬆️
tests/test_cursors.py	98.50% <100.00%> (+0.23%)	⬆️

... and 2 files with indirect coverage changes

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