packing arguments as tuples and then unpacking them in the parallel function

gistfile1.py

import ghpythonlib.components as ghcomp
import ghpythonlib.parallel

#custom function that is executed by parallel.run
def slice_at_angle(args):
    brep, plane = args #unpack input
    result = ghcomp.BrepXPlane(brep, plane)
    if result: return result.curves

if parallel:
    items = [(brep, plane) for plane in planes]
    slices = ghpythonlib.parallel.run(slice_at_angle, items, True)
else:
    slices = ghcomp.BrepXPlane(brep, planes).curves