Simplify Minimal Reproducible Example bis

kdtree.pyx

@@ -23,7 +23,9 @@ cdef extern from "<sys/syscall.h>" nogil:
 
 # TODO (jjerphan): integrate this where needed once the
 #       compilation problem with Cython has been resolved
-cdef void prange_workaround(
+
+# TODO(jjerphan): debug without using any cypclass instances.
+cpdef void prange_workaround(
     KDTree tree,
     I_t n_query,
     I_t num_threads,
@@ -51,11 +53,11 @@ cdef cypclass KDTree:
         self,
     ):
         # Recursively building the tree here
-        printf("Scheduler: starting\n")
-        cdef lock Scheduler scheduler = Scheduler(omp_get_max_threads())
-        printf("Scheduler: started\n")
-        scheduler.finish()
-        printf("Scheduler: finished\n")
+        # printf("Scheduler: starting\n")
+        # cdef lock Scheduler scheduler = Scheduler(omp_get_max_threads())
+        # printf("Scheduler: started\n")
+        # scheduler.finish()
+        printf("Scheduler: None\n")
 
     void query(self,
         np.ndarray query_points,  # IN