[scikit-learn] How can I enable line tracing for cython modules.

[Alejandro Javier Peralta Frias]

Hello all,

To enable cython tracing (in particular I want to line trace neighbors
module) I understand that I have to recompile the cython modules with
CYTHON_TRACE=1 but I'm not sure where should I set this.

Should I use:

# distutils: define_macros=CYTHON_TRACE_NOGIL=1


In the files I want to trace?

Regards,
-- 
Ale
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