Rock, paper, scissors in Python 3
overall this code looks nice and tidy, and it passes pylint with minimal errors which is a good start!

Some observations:

If you're returning in an if block you don't need to use elif and/or else since on match the code will never continue.  I'd probably use or instead of 3 elif statements to avoid having the `return "won" repeated. And maybe carry the result in a variable - this allows you to set a default and avoid one test. So something like:

def check_victory(computer_choice, user_choice):
    result = "lost"
    if user_choice == computer_choice:
        result = "tie"
    if computer_choice == "rock" and user_choice == "paper" or \
       computer_choice == "paper" and user_choice == "scissors" or \
       computer_choice == "scissors" and user_choice == "rock":
        result = "won"
    return result


Another thing might be to replace some of the descriptive comments with docstrings - less important in a small program, but a useful habit to get into for more complex projects later on.

Finally since you're using f-strings for the first print, you could use them for both?

print(f"Computer choose: {computer_choice}")
print(f"You {check_victory(computer_choice, user_choice)}\n\n")


Only other things are 'features' like documenting the choices available, providing 'shortcuts' like r/p/s etc - but those are 'optional extras' and nothing to do with the code quality!