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fix: dynamic import current_stream #86

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Merged
weixiao-huang merged 1 commit into from
Feb 28, 2026
Merged

fix: dynamic import current_stream #86

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12 changes: 11 additions & 1 deletion checkpoint_engine/distributed/vllm_nccl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,11 +12,21 @@
ncclResult_t,
)
from vllm.distributed.utils import StatelessProcessGroup
from vllm.utils import current_stream

from checkpoint_engine.distributed.base import CommGroup, Distributed, _common_all_gather_object


try:
from vllm.utils.torch_utils import current_stream
except ImportError:
try:
from vllm.utils import current_stream
except ImportError:
raise ImportError(
"Could not find 'current_stream' in vllm. Please check your vllm version."
) from None


class NcclConfigT(ctypes.Structure):
_fields_: ClassVar[list[tuple[str, Any]]] = [
("size", ctypes.c_size_t),
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