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CI: fixture for global rank variable reset #6839

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Merged
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Apr 6, 2021
Merged

CI: fixture for global rank variable reset #6839

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10 changes: 10 additions & 0 deletions tests/conftest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,16 @@
import torch.multiprocessing as mp


@pytest.fixture(scope="function", autouse=True)
def preserve_global_rank_variable():
""" Ensures that the rank_zero_only.rank global variable gets reset in each test. """
from pytorch_lightning.utilities.distributed import rank_zero_only
rank = getattr(rank_zero_only, "rank", None)
yield
if rank is not None:
setattr(rank_zero_only, "rank", rank)


@pytest.fixture(scope="function", autouse=True)
def restore_env_variables():
""" Ensures that environment variables set during the test do not leak out. """
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