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cheatsheet-tldr/tldr/dmypy
2025-07-24 00:22:02 +00:00

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---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# dmypy
> Type check Python code, running `mypy` as a daemon for better speed.
> See also: `mypy` for more options to use with check and run.
> More information: <https://mypy.readthedocs.io/en/stable/mypy_daemon.html>.
- Type check a file, and start the daemon if it is not running:
`dmypy check -- {{path/to/file.py}}`
- Start the daemon:
`dmypy start`
- Type check a file (requires the daemon to be running):
`dmypy run -- {{path/to/file.py}}`
- Stop the daemon:
`dmypy stop`