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fix(flux): support .weight variant for attention norm parameter mappings #9190

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fix(flux): support .weight variant for attention norm parameter mappings #9190

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fix(flux): support .weight variant for attention norm parameter mappings
Fortyseven May 16, 2026
4b6b3c0
Merge branch 'main' into flux-norm-weight-mapping
Fortyseven May 16, 2026
f0bb06e
Merge branch 'main' into flux-norm-weight-mapping
Fortyseven May 17, 2026
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24 changes: 12 additions & 12 deletions invokeai/backend/model_manager/load/model_loaders/flux.py
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Original file line number Diff line number Diff line change
Expand Up @@ -984,13 +984,13 @@ def _convert_double_block_key(self, key: str, tensor: torch.Tensor, converted: d
return f"{prefix}.attn.to_add_out.weight"

# Attention norms
if "img_attn.norm.query_norm.scale" in rest:
if "img_attn.norm.query_norm.scale" in rest or "img_attn.norm.query_norm.weight" in rest:
return f"{prefix}.attn.norm_q.weight"
elif "img_attn.norm.key_norm.scale" in rest:
elif "img_attn.norm.key_norm.scale" in rest or "img_attn.norm.key_norm.weight" in rest:
return f"{prefix}.attn.norm_k.weight"
elif "txt_attn.norm.query_norm.scale" in rest:
elif "txt_attn.norm.query_norm.scale" in rest or "txt_attn.norm.query_norm.weight" in rest:
return f"{prefix}.attn.norm_added_q.weight"
elif "txt_attn.norm.key_norm.scale" in rest:
elif "txt_attn.norm.key_norm.scale" in rest or "txt_attn.norm.key_norm.weight" in rest:
return f"{prefix}.attn.norm_added_k.weight"

# MLP layers
Expand Down Expand Up @@ -1020,9 +1020,9 @@ def _convert_single_block_key(self, key: str, tensor: torch.Tensor, converted: d
return f"{prefix}.attn.to_out.weight"

# Norms
if "norm.query_norm.scale" in rest:
if "norm.query_norm.scale" in rest or "norm.query_norm.weight" in rest:
return f"{prefix}.attn.norm_q.weight"
elif "norm.key_norm.scale" in rest:
elif "norm.key_norm.scale" in rest or "norm.key_norm.weight" in rest:
return f"{prefix}.attn.norm_k.weight"

return key
Expand Down Expand Up @@ -1328,13 +1328,13 @@ def _convert_double_block_key(self, key: str, tensor, converted: dict) -> str |
elif "txt_attn.proj.weight" in rest:
return f"{prefix}.attn.to_add_out.weight"

if "img_attn.norm.query_norm.scale" in rest:
if "img_attn.norm.query_norm.scale" in rest or "img_attn.norm.query_norm.weight" in rest:
return f"{prefix}.attn.norm_q.weight"
elif "img_attn.norm.key_norm.scale" in rest:
elif "img_attn.norm.key_norm.scale" in rest or "img_attn.norm.key_norm.weight" in rest:
return f"{prefix}.attn.norm_k.weight"
elif "txt_attn.norm.query_norm.scale" in rest:
elif "txt_attn.norm.query_norm.scale" in rest or "txt_attn.norm.query_norm.weight" in rest:
return f"{prefix}.attn.norm_added_q.weight"
elif "txt_attn.norm.key_norm.scale" in rest:
elif "txt_attn.norm.key_norm.scale" in rest or "txt_attn.norm.key_norm.weight" in rest:
return f"{prefix}.attn.norm_added_k.weight"

if "img_mlp.0.weight" in rest:
Expand All @@ -1359,9 +1359,9 @@ def _convert_single_block_key(self, key: str, tensor, converted: dict) -> str |
elif "linear2.weight" in rest:
return f"{prefix}.attn.to_out.weight"

if "norm.query_norm.scale" in rest:
if "norm.query_norm.scale" in rest or "norm.query_norm.weight" in rest:
return f"{prefix}.attn.norm_q.weight"
elif "norm.key_norm.scale" in rest:
elif "norm.key_norm.scale" in rest or "norm.key_norm.weight" in rest:
return f"{prefix}.attn.norm_k.weight"

return key
Expand Down
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