importmatplotlib.pyplotaspltimportmatplotlibmatplotlib.use('tkagg')fig,ax=plt.subplots(1,1)plt.show()

Exception in Tkinter callbackTraceback (most recent call last):  File "C:\Users\richa\miniconda3\envs\mpl-dev\lib\tkinter\__init__.py", line 1921, in __call__    return self.func(*args)  File "c:\users\richa\documents\github\matplotlib\lib\matplotlib\backends\_backend_tk.py", line 438, in _update_window_dpi    self.toolbar._rescale()  File "c:\users\richa\documents\github\matplotlib\lib\matplotlib\backends\_backend_tk.py", line 574, in _rescale    NavigationToolbar2Tk._set_image_for_button(self, widget)  File "c:\users\richa\documents\github\matplotlib\lib\matplotlib\backends\_backend_tk.py", line 674, in _set_image_for_button    button.configure(image=image)  File "C:\Users\richa\miniconda3\envs\mpl-dev\lib\tkinter\__init__.py", line 1675, in configure    return self._configure('configure', cnf, kw)  File "C:\Users\richa\miniconda3\envs\mpl-dev\lib\tkinter\__init__.py", line 1665, in _configure    self.tk.call(_flatten((self._w, cmd)) + self._options(cnf))_tkinter.TclError: image "pyimage10" doesn't exist