Recent patches added a variable `resolution_scale`
This variable defines how many points on the x or y axis to add.
However I find the name confusing.
Instead of that, change it to `pixels_per_unit`
and move the `points_per_pixel` factor
to `calculate_bezt_draw_resolution`
no functional changes
Pull Request: https://projects.blender.org/blender/blender/pulls/111037