Bless

I am using python 3.11.3. I am building a stock market package in python. I need menus in that package. For creating menus I want to use PMW package with tinker. To try my first steps, I used the code snippet at https://www.slac.stanford.edu/grp/cd/soft/pmw/blt/python/html/HelloBLT.html When I ran this script, I am getting this error: "Traceback (most recent call last): File "D:\PYTHON_3.11.3\Lib\site-packages\Pmw\Pmw_2_1_1\lib\PmwBlt.py", line 103, in del self.tk.call(_vectorCommand, 'destroy',...