What to use instead of NavigationToolbar2TkAgg?
When I run the following script: import tkinter as tk import matplotlib import matplotlib.pyplot as plt import matplotlib.figure import matplotlib.backends.backend_tkagg import numpy as np def on_key_event(event, canvas, toolbar): matplotlib.backend_bases.key_press_handler(event, canvas, toolbar) matplotlib.use('TkAgg') root = tk.Tk() root.wm_title('Test window') fig = matplotlib.figure.Figure(figsize=(9.333, 7), dpi=100) a = fig.add_subplot(111) axes = fig.gca() x = np.linspace(0, 2*np.pi, 100) axes.plot(x, np.sin(x), marker='.') axes.set_title('sin(x)') axes.grid() canvas = matplotlib