Test fetcher: missing return on filtered tests; don't write empty files #33224
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What does this PR do?
See title :)
This PR addresses two problems:
missing return
The
filter_tests(tests, module=module)call always returnedNone, because it is missing areturn. ThisNonewould then cause the fetcher to fail: https://app.circleci.com/pipelines/github/huggingface/transformers/102546/workflows/5e358605-da6b-4c2f-886f-84c9e455a211/jobs/1365782With this return, the failing job above no longer happens, and CI runs as expected :) (see this PR)
writing empty files
The test fetcher can write empty files for a given job (e.g.
test_preparation/tests_torch_and_tf_test_list.txt). This caused a downstream error because:Uploading artifacts)curlstep (see here)As such, this PR changes our test fetcher to skip writing a test file if the file is empty 🤗 No file -> no job -> no problem