How to use the musictheory.smelodicCWeights function in musictheory

csize = wselect({2:5, 3:10, 4:20, 5:10, 6:5})
    bpm = wselect({80:5, 100:10, 120:20, 140:10, 160:5, 180:5})
    print("making",name)
    palett = musictheory.palette(scale, progsize, progcount, csize)
    palett._bpm = bpm
    palett.autoProgs()
    themes = (palett._n1, palett._n2, palett._bg, palett._ch, palett._ge)
    for inst in cinsts:
        for them in themes:
            centre = rselect(musictheory.listNotes(inst))
            ncount = wselect(musictheory.chordicCWeights())
            them.addVoice(inst, centre, "chordic", ncount)  
    for inst in sminsts:
        for them in themes:
            centre = rselect(musictheory.listNotes(inst))
            ncount = wselect(musictheory.smelodicCWeights())
            them.addVoice(inst, centre, "smelodic", ncount)
    for inst in lminsts:
        for them in themes:
            centre = rselect(musictheory.listNotes(inst))
            ncount = wselect(musictheory.lmelodicCWeights())
            them.addVoice(inst, centre, "lmelodic", ncount)
    for inst in pinsts:
        for them in themes:
            centre = rselect(musictheory.listNotes(inst))
            ncount = wselect(musictheory.percussionCWeights())
            them.addVoice(inst, centre, "percussion", ncount)
    for inst in ginsts:
        for them in themes:
            centre = rselect(musictheory.listNotes(inst))
            ncount = wselect(musictheory.genericCWeights())
            them.addVoice(inst, centre, "generic", ncount)

palett = musictheory.palette(scale, progsize, progcount, csize)
    palett._bpm = bpm
    palett.autoProgs()
    themes = (palett._n1, palett._n2, palett._bg, palett._ch, palett._ge)
    
    for inst in cinsts:
        for them in themes:
            centre = rselect(musictheory.listNotes(inst))
            ncount = wselect(musictheory.chordicCWeights())
            them.addVoice(inst, centre, "chordic", ncount)
            
    for inst in sminsts:
        for them in themes:
            centre = rselect(musictheory.listNotes(inst))
            ncount = wselect(musictheory.smelodicCWeights())
            them.addVoice(inst, centre, "smelodic", ncount)
            
    for inst in lminsts:
        for them in themes:
            centre = rselect(musictheory.listNotes(inst))
            ncount = wselect(musictheory.lmelodicCWeights())
            them.addVoice(inst, centre, "lmelodic", ncount)
            
    for inst in pinsts:
        for them in themes:
            centre = rselect(musictheory.listNotes(inst))
            ncount = wselect(musictheory.percussionCWeights())
            them.addVoice(inst, centre, "percussion", ncount)
            
    for inst in ginsts:
        for them in themes:

def autoGen(voice, theme, pal):
    typ = voice._mtype
    if typ == "chordic":
        ncount = wselect(musictheory.chordicCWeights())
    elif typ == "percussion":
        ncount = wselect(musictheory.percussionCWeights())
    elif typ == "smelodic":
        ncount = wselect(musictheory.smelodicCWeights())
    elif typ == "lmelodic":
        ncount = wselect(musictheory.lmelodicCWeights())
    elif typ == "generic":
        ncount = wselect(musictheory.genericCWeights())
    voice.autoProg(theme._cprog, theme._progc, theme._csize, ncount, None, None)
    print("Voice was auto-generated")