Tkinter Treeview issue when inserting rows with tags

Question

I have just switched from python 3.6 to python 3.7. I have a function which inserts rows in a Treeview tree with tags. The tags are used for giving a foreground color and a

Answer 1

I tried a lot of things also with the help of my colleagues. We noticed that the tags only work up to the 3.7.2 Python version (not working on 3.7.3). This was tried in multiple computers and on both operating systems (Windows and Linux).