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Relative imports fail outside the import root once a config exists (leading dot is dropped) #5594
Description
Describe the Bug
I can't provide a sandbox for this, as it relies on multiple files, but here's how to reproduce it:
pyproject.toml
src/mypkg/__init__.py
tests/__init__.py
tests/test_b.py : from .sub.helpers import X
tests/sub/__init__.py
tests/sub/helpers.py : X = 1
tests/sub/test_a.py : from .helpers import X
In pyproject.toml there's:
[project]
name = "mypkg"
version = "0"
[tool.pyrefly]
project-includes = ["src", "tests"]Then:
$ pyrefly check
ERROR tests/sub/test_a.py:1:1-23: Cannot find module `helpers` [missing-import]
ERROR tests/test_b.py:1:1-27: Cannot find module `sub.helpers` [missing-import]
Spotted in packaging
Sandbox Link
No response
(Only applicable for extension issues) IDE Information
No response
Activity
connernilsen commentedon Nov 13, 2026
Hey @MarcoGorelli, thanks for reporting this. We actually do support multiple files in the sandbox now, so I tried to recreate it there. How does this look?
https://pyrefly.org/sandbox/?project=v2.w1VkgqIwJTU5XyM5B5iLgOEKjkogbRUDzWDQ5AGUB4nAsANIk4KyQl4-JBRBYpBs55RYZaWgp6cHEsESdkX5oMSsmwlUXZoCLGZsFaJjlIqLkmOUdIDeBvmmOEYpFqgRKKafW1mQna6P1c_FuIRBZHwSUoWgV1yaBCvNMlJzCoDRBi3uUKsKtPIViasB1aZXoQm3BmgoLheApGA6wDIV4JAFetUQRQ3YpYnILqWeM9HTAjZbawE