[ENH] fix binary

[arnaudbore]

First try to fix #273

[codecov-commenter]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (42cd77b) 75.16% compared to head (2d6b6fd) 75.16%.
Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #278   +/-   ##
=======================================
  Coverage   75.16%   75.16%           
=======================================
  Files          15       15           
  Lines        1075     1075           
  Branches      237      237           
=======================================
  Hits          808      808           
  Misses        220      220           
  Partials       47       47           

Flag	Coverage Δ
pytest	75.16% <ø> (ø)

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