Python 2 is no longer supported. To upgrade to Python 3, do this:
sudo apt install 2to3
2to3 --write stl_thumb.py
....but then I get this:
Traceback (most recent call last):
File "/usr/local/bin/stl_thumb.py", line 44, in <module>
main()
File "/usr/local/bin/stl_thumb.py", line 15, in main
m.update(fin)
TypeError: Unicode-objects must be encoded before hashing
Python 2 is no longer supported. To upgrade to Python 3, do this:
....but then I get this: