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fix(mine): fallback to test when both train and val are empty in assign_splits #278

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RohithPariki wants to merge 1 commit into from
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fix(mine): fallback to test when both train and val are empty in assign_splits #278

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6 changes: 6 additions & 0 deletions skillopt_sleep/mine.py
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Original file line number Diff line number Diff line change
Expand Up @@ -341,6 +341,12 @@ def _promote_one(*, to: str, from_splits: set[str]) -> None:
# Only promote from train so hash-assigned test tasks stay untouched.
if len(real) >= 2 and not any(t.split == "val" for t in real):
_promote_one(to="val", from_splits={"train"})
if not any(t.split == "val" for t in real):
import logging
logging.getLogger("skillopt_sleep").warning(
"holdout_leaked: all real tasks hashed to test, pulling one for val"
)
_promote_one(to="val", from_splits={"test"})
# Guarantee a train pool exists when possible; never borrow from test.
if not any(t.split == "train" for t in tasks) and len(real) >= 2:
_promote_one(to="train", from_splits={"val"})
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