o ?ß±iWã@sšdZddlmZddlmZ         ddededed ed edBd edBd edBd edBdedBdedBdededBdee eefBfdd„Z dS)zÑ Imaginaire4 Attention Subpackage: Unified implementation for all Attention implementations. Flash Attention v3 (flash3) Backend: intermediate API stubs Always safe to import (as long as torch is available.) é)ÚTensor)Ú CausalTypeFNÚqueryÚkeyÚvalueÚ is_causalÚ causal_typeÚscaleÚcumulative_seqlen_QÚcumulative_seqlen_KVÚ max_seqlen_QÚ max_seqlen_KVÚ return_lseÚbackend_kwargsÚreturnc Cstdƒ‚)NzuTried to run Flash Attention v3, but it is not supported / available. Try running with debug logs enabled to see why.)Ú RuntimeError) rrrrrr r r r r rr©rú`/data/cameron/vidgen/cosmos-predict2.5/cosmos_predict2/_src/imaginaire/attention/flash3/stubs.pyÚflash3_attentionsÿr) FNNNNNNFN) Ú__doc__ÚtorchrÚ/cosmos_predict2._src.imaginaire.attention.masksrÚboolÚfloatÚintÚdictÚtuplerrrrrÚsN  ôÿþýüûúùø ÷ ö õ ô ó