[realpython-bot]

Syncs simulation-with-simpy/ with the maintenance update of SimPy: Simulating Real-World Processes With Python.

What changed

• requirements.txt (new): pins simpy==4.1.2, the same pin as the article's updated dependencies field (it previously pinned simpy==3.0.12).
• README.md: points at the article's current URL and title, adds a Requirements section (Python 3.8 or later, the floor set by SimPy 4.1.2's Requires-Python), and corrects the sample output to 42 minutes and 53 seconds. That's what the script prints and what the article shows.
• simulate.py: docstring now has the current URL, title, and tested versions (Python 3.15, SimPy 4.1.2). The fallback message reads "The simulation will use default values", matching the article. The logic is unchanged. The article was fixed to match this file's single get_average_wait_time().

Verification

• Ran simulate.py on Python 3.15.1 and 3.14.9 with simpy==4.1.2 from requirements.txt. Inputs 1/1/1, 100/100/100, and 9/6/1 print 42 min 53 s, 3 min 29 s, and 9 min 60 s, the same as the article. Invalid input falls back to the defaults.
• uvx ruff@0.14.1 format --check and uvx ruff@0.14.1 check both pass on the folder.
• vermin reports a 3.6 syntax floor, so the overall floor is 3.8, set by SimPy.

Links

• Article draft (admin): https://realpython.com/pbjt/blog/post/2603/change/
• Maintenance card: https://trello.com/c/BgtDApJ6

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