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fix(attention_dispatch): use correct attr names for FLASH_VARLEN_HUB … #14015

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fix(attention_dispatch): use correct attr names for FLASH_VARLEN_HUB … #14015

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10 changes: 5 additions & 5 deletions src/diffusers/models/attention_dispatch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -352,8 +352,8 @@ class _HubKernelConfig:
AttentionBackendName.FLASH_VARLEN_HUB: _HubKernelConfig(
repo_id="kernels-community/flash-attn2",
function_attr="flash_attn_varlen_func",
wrapped_forward_attr="flash_attn_interface._wrapped_flash_attn_varlen_forward",
wrapped_backward_attr="flash_attn_interface._wrapped_flash_attn_varlen_backward",
wrapped_forward_attr="flash_attn_interface._flash_attn_varlen_forward",
wrapped_backward_attr="flash_attn_interface._flash_attn_varlen_backward",
version=1,
),
AttentionBackendName.SAGE_HUB: _HubKernelConfig(
Expand Down Expand Up @@ -1325,8 +1325,8 @@ def _flash_varlen_attention_hub_forward_op(
wrapped_backward_fn = config.wrapped_backward_fn
if wrapped_forward_fn is None or wrapped_backward_fn is None:
raise RuntimeError(
"Flash attention varlen hub kernels must expose `_wrapped_flash_attn_varlen_forward` and "
"`_wrapped_flash_attn_varlen_backward` for context parallel execution."
"Flash attention varlen hub kernels must expose `_flash_attn_varlen_forward` and "
"`_flash_attn_varlen_backward` for context parallel execution."
)

if scale is None:
Expand Down Expand Up @@ -1419,7 +1419,7 @@ def _flash_varlen_attention_hub_backward_op(
wrapped_backward_fn = config.wrapped_backward_fn
if wrapped_backward_fn is None:
raise RuntimeError(
"Flash attention varlen hub kernels must expose `_wrapped_flash_attn_varlen_backward` "
"Flash attention varlen hub kernels must expose `_flash_attn_varlen_backward` "
"for context parallel execution."
)

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