How to use the musictheory.scale7 function in musictheory

def scaleMenu():
    while True:
        print("Please input the list of 7 notes in the Scale (ex: 'C Ds E ...'), a smaller list to autocomplete, or write G or g for random:")
        scalet = usrinp()
        if scalet in "Gg":
            scale = musictheory.scale7()
        else:
            notenames = str.split(scalet, " ")
            notes = ()
            for i in range(len(notenames)):
                if len(notenames[i]) != 0:
                    notes = notes + (musictheory.mnote.fromName(notenames[i] + "0"),)
            scale = musictheory.scale7(notes)
        while True:
            scaleInfo(scale)
            print()
            print ("Accept? (Yy, Nn, Pp(preview)):")
            inp = usrinp()
            if inp in "Yy":
                return scale
            elif inp in "Nn":
                break
            elif inp in "Pp":
                previewscale(scale)

def scaleMenu():
    while True:
        print("Please input the list of 7 notes in the Scale (ex: 'C Ds E ...'), a smaller list to autocomplete, or write G or g for random:")
        scalet = usrinp()
        if scalet in "Gg":
            scale = musictheory.scale7()
        else:
            notenames = str.split(scalet, " ")
            notes = ()
            for i in range(len(notenames)):
                if len(notenames[i]) != 0:
                    notes = notes + (musictheory.mnote.fromName(notenames[i] + "0"),)
            scale = musictheory.scale7(notes)
        while True:
            scaleInfo(scale)
            print()
            print ("Accept? (Yy, Nn, Pp(preview)):")
            inp = usrinp()
            if inp in "Yy":
                return scale
            elif inp in "Nn":
                break

def palFromInsts(cinsts, sminsts, lminsts, pinsts, ginsts, name=None):
    if name == None:
        name = naming.name()
    scale = musictheory.scale7()
    progsize = rselect((2,3,4,5,6))
    progcount = rselect((1,2,3,4,5))
    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)

def palFromInstsAndMimics(cinsts, sminsts, lminsts, pinsts, ginsts, miminsts, name=None):
    if name == None:
        name = naming.name()
    scale = musictheory.scale7()
    progsize = rselect((2,3,4,5,6))
    progcount = rselect((1,2,3,4,5))
    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:

def testInst(name):
    inst = filezart.getInstrument(name)
    scale = musictheory.scale7()
    progsize = rselect((2,3,4,5,6))
    progcount = rselect((1,2,3,4,5))
    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})   
    palett = musictheory.palette(scale, progsize, progcount, csize)
    palett._bpm = bpm
    palett.autoProgs()    
    for i in range(2):
        centre = rselect(musictheory.listNotes(inst))
        ncount = wselect(musictheory.chordicCWeights())
        palett._n1.addVoice(inst, centre, "chordic", ncount)    
    play(palett._n1.previewAudio(bpm))