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fix(model): tolerate empty prompts on minimax h3

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An empty prompt tokenizes to zero tokens and the conditioner fails
reshaping an empty sequence; a single space keeps the generate-on-empty
behavior other models have.
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CalamitousFelicitousness
2026-08-08 04:15:52 +01:00
parent 5fdf01ff05
commit 5b51e863ff
1 changed files with 2 additions and 0 deletions
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modules/processing_args.py
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@@ -328,6 +328,8 @@ def set_pipeline_args(p, model, prompts:list, negative_prompts:list, prompts_2:l
if 'MiniMaxH3' in model.__class__.__name__:
if isinstance(args.get('prompt', None), list): # packs one request into one sequence, str only
args['prompt'] = args['prompt'][0] if len(args['prompt']) > 0 else ''
if not str(args.get('prompt', '') or '').strip():
args['prompt'] = ' ' # an empty prompt tokenizes to zero tokens, which the conditioner cannot reshape
args.pop('negative_prompt', None) # guidance-distilled, no negative prompt
if isinstance(args.get('generator', None), list) and len(args['generator']) > 0:
args['generator'] = args['generator'][0] # >1-element list breaks the audio noise draw