python, tkinter, issues while creating bar graph

Question

I'm getting the following error message when I try to create a bars graph, using python and tkinter:

AttributeError: 'FigureCanvasTkAgg' object has no attribute 'show'

Here's my code

import matplotlib,numpy,sys
matplotlib.use('TkAgg')
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.figure import Figure
from tkinter import *
root=Tk()
f=Figure(figsize=(5,4),dpi=100)
ax=f.add_subplot(111)
data=(20,35,30,35,27)
ind=numpy.arange(5)  # the x locations for the groups
width=.5
rects1=ax.bar(ind,data,width)
canvas=FigureCanvasTkAgg(f,master=root)
canvas.show()
canvas.get_tk_widget().pack(side=TOP,fill=BOTH,expand=1)
root.mainloop()

Yeah! FigureCanvasTkAgg doesn't have show function! What you are trying to do? — imxitiz
– imxitiz, Commented Aug 4, 2021 at 7:51
thx for answer. i need to insert a bars graph into a tkinter window — Tommy
– Tommy, Commented Aug 4, 2021 at 7:52

imxitiz · Accepted Answer · 2021-11-01 05:38:12Z

1

Simply delete the line that's causing the problem:

import matplotlib,numpy,sys
matplotlib.use('TkAgg')

from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.figure import Figure
from tkinter import Tk,TOP,BOTH

root=Tk()
f=Figure(figsize=(5,4),dpi=100)
ax=f.add_subplot(111)
data=(20,35,30,35,27)
ind=numpy.arange(5)  # the x locations for the groups
width=.5
rects1=ax.bar(ind,data,width)
canvas=FigureCanvasTkAgg(f,master=root)
canvas.get_tk_widget().pack(side=TOP,fill=BOTH,expand=1)

root.mainloop()

Or replace .show() with .draw() as @acw1668 mentioned in comment.

edited Nov 1, 2021 at 5:38

answered Aug 4, 2021 at 7:53

imxitiz

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