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Fix import error when flash attention 3 is installed #1913

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Fix import error when flash attention 3 is installed #1913

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10 changes: 5 additions & 5 deletions transformer_engine/pytorch/attention/dot_product_attention/backends.py
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Original file line number Diff line number Diff line change
Expand Up @@ -115,15 +115,15 @@
flash_attn_with_kvcache_v3 = None
# pass # only print warning if use_flash_attention_3 = True in get_attention_backend
else:
from flash_attn_3.flash_attn_interface import flash_attn_func as flash_attn_func_v3
from flash_attn_3.flash_attn_interface import (
from flash_attn_interface import flash_attn_func as flash_attn_func_v3
from flash_attn_interface import (
flash_attn_varlen_func as flash_attn_varlen_func_v3,
)
from flash_attn_3.flash_attn_interface import (
from flash_attn_interface import (
flash_attn_with_kvcache as flash_attn_with_kvcache_v3,
)
from flash_attn_3.flash_attn_interface import _flash_attn_forward as _flash_attn_fwd_v3
from flash_attn_3.flash_attn_interface import _flash_attn_backward as _flash_attn_bwd_v3
from flash_attn_interface import _flash_attn_forward as _flash_attn_fwd_v3
from flash_attn_interface import _flash_attn_backward as _flash_attn_bwd_v3

fa_utils.set_flash_attention_3_params()

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