importmatplotlibmatplotlib.use('WxAgg')importmatplotlib.pyplotaspltfig,ax=plt.subplots()fruits= ['apple','blueberry','cherry','orange']counts= [40,100,30,55]bar_labels= ['red','blue','_red','orange']bar_colors= ['tab:red','tab:blue','tab:red','tab:orange']ax.bar(fruits,counts,label=bar_labels,color=bar_colors)ax.set_ylabel('fruit supply')ax.set_title('Fruit supply by kind and color')ax.legend(title='Fruit color')plt.show()# run the above code (or anything else with WxAgg selected) in pythonw and# then with the MPL window active, press Shift+Control at the same time

Traceback (most recent call last):  File "/Users/toby/mamba310/envs/py310all/lib/python3.10/site-packages/matplotlib/backends/backend_wx.py", line 753, in _on_key_down    self._get_key(event), *self._mpl_coords(),  File "/Users/toby/mamba310/envs/py310all/lib/python3.10/site-packages/matplotlib/backends/backend_wx.py", line 732, in _get_key    if not (key_name == 'shift' and key.isupper()):AttributeError: 'NoneType' object has no attribute 'isupper'