Python TypeError: set() missing 1 required positional argument: 'value'

Question

It tells me "TypeError: set() missing 1 required positional argument: 'value'" and I am really new so I can't figure out what I did wrong. When using pyCharm and hovering over the argument in set() it says "Expected type 'Variable', got 'int' instead". I don't know what that means. Here's the code:

from tkinter import *
var = StringVar
hoho = 0
master = Tk()
var.set (hoho)
photo = PhotoImage(file="C:\\Users\\josa\\Downloads\\Kappa.pmm")
w = Label(image=photo)
w.photo = photo
w.pack()
w = Label(master, text=var, )
w.pack()

mainloop()

PS: sorry for asking a question that might seem dumb

fix your typo in var = StringVar(), add this instruction before that: root = Tk() and modify the last line to root.mainloop() ... and do not hurry to ask :) — Billal BEGUERADJ
– Billal BEGUERADJ, Commented Jul 3, 2016 at 13:53

falsetru · Accepted Answer · 2016-07-03 13:46:18Z

3

following line is missing ()

var = StringVar()
               ^^

And creation of StringVar should be done after creating root windows:

master = Tk()
var = StringVar()

answered Jul 3, 2016 at 13:46

falsetru

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Hung Truong · Accepted Answer · 2016-07-04 11:05:09Z

1

You are missing parentheses after StringVar. it should be StringVar(), because the set() method only work on StringVar() object.

Your code should be like this:

from tkinter import *


var = StringVar() #With parentheses 
var.set("Whatever String object you want")

Now it should work :))

answered Jul 4, 2016 at 11:05

Hung Truong

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