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TypedDict overlap check has non-deterministic output #19745
Description
Bug Report
When running mypy primer in typeshed, we often get spurious output like this (from python/typeshed#14649):
discord.py (https://github.com/Rapptz/discord.py)
- discord/ext/commands/hybrid.py:508: error: Overlap between argument names and ** TypedDict items: "description", "name" [misc]
+ discord/ext/commands/hybrid.py:508: error: Overlap between argument names and ** TypedDict items: "name", "description" [misc]
- discord/ext/commands/hybrid.py:629: error: Overlap between argument names and ** TypedDict items: "description", "name" [misc]
+ discord/ext/commands/hybrid.py:629: error: Overlap between argument names and ** TypedDict items: "name", "description" [misc]
Expected Behavior
It would be helpful if the argument order in the output would be deterministic to avoid this spurious diff.
Your Environment
- Mypy version used: 1.16.1
- Mypy command-line flags:
- Mypy configuration options from
mypy.ini(and other config files): - Python version used: 3.13
Activity
srittau commentedon Aug 27, 2025
And it seems this was already fixed in #19666 by @cdce8p.