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SubjectRe: [PATCH] kunit: tool: fix newly introduced typechecker errors
On Tue, Dec 14, 2021 at 2:52 PM Daniel Latypov <dlatypov@google.com> wrote:
>
> After upgrading mypy and pytype from pip, we see 2 new errors when
> running ./tools/testing/kunit/run_checks.py.
>
> Error #1: mypy and pytype
> They now deduce that importlib.util.spec_from_file_location() can return
> None and note that we're not checking for this.
>
> We validate that the arch is valid (i.e. the file exists) beforehand.
> Add in an `asssert spec is not None` to appease the checkers.
>
> Error #2: pytype bug https://github.com/google/pytype/issues/1057
> It doesn't like `from datetime import datetime`, specifically that a
> type shares a name with a module.
>
> We can workaround this by either
> * renaming the import or just using `import datetime`
> * passing the new `--fix-module-collisions` flag to pytype.
>
> We pick the first option for now because
> * the flag is quite new, only in the 2021.11.29 release.
> * I'd prefer if people can just run `pytype <file>`
>
> Signed-off-by: Daniel Latypov <dlatypov@google.com>

Reviewed-by: Brendan Higgins <brendanhiggins@google.com>

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