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need fix BlockDiagonalMask error for xformer 0.0.28.post1 #86

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SaiZyca opened this issue Dec 9, 2024 · 0 comments

SaiZyca commented Dec 9, 2024

PixArt and SANA need fix code for newer xformers

  if (xformers.__version__).split(".")[2] >= "28":
      attn_bias = xformers.ops.fmha.attn_bias.BlockDiagonalMask.from_seqlens([N] * B, mask)
  else:
      attn_bias = xformers.ops.fmha.BlockDiagonalMask.from_seqlens([N] * B, mask)

city96 added a commit that referenced this issue


          Add switch for new xformers

4a11543

#86 - patch provided by @SaiZyca

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