BUG: fix Wuhan crash

[martinfleis]

Fixes Wuhan crashing on Apple Silicon. _shared_node had two unique values. Calling mode fixes that.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.8%. Comparing base (5fade1e) to head (fbac213).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##            main    #151     +/-   ##
=======================================
- Coverage   98.8%   98.8%   -0.0%     
=======================================
  Files          6       6             
  Lines       1001    1000      -1     
=======================================
- Hits         989     988      -1     
  Misses        12      12             

Files with missing lines	Coverage Δ
neatnet/nodes.py	100.0% <100.0%> (ø)

[jGaboardi]

Great find! 🙇