importmatplotlib.pyplotaspltimportlogginglogging.basicConfig(level=logging.INFO,datefmt='%m-%d %H:%M')importnumpyasnpplt.switch_backend('TkAgg')plt.figure()plt.plot(np.arange(24),np.linspace(-np.pi,np.pi,24),'+-')plt.show(block=True)

INFO:matplotlib.backends._backend_tk:Could not load matplotlib icon: bad option "foobar": must be aspect, attributes, client, colormapwindows, command, deiconify, focusmodel, forget, frame, geometry, grid, group, iconbitmap, iconify, iconmask, iconname, iconphoto, iconposition, iconwindow, manage, maxsize, minsize, overrideredirect, positionfrom, protocol, resizable, sizefrom, stackorder, state, title, transient, or withdraw