Fix compatibility with transformers v5 and numpy 2.0#135
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Replace AutoModelForCausalLM weight loading with direct safetensors loading to fix evo-1 models producing garbage output under transformers v5 (unembed.weight left at random init due to broken tied-weight handling). Add local CharLevelTokenizer to avoid stripedhyena's np.fromstring which was removed in numpy 2.0. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Replace AutoModelForCausalLM weight loading with direct safetensors loading to fix evo-1 models producing garbage output under transformers v5 (unembed.weight left at random init due to broken tied-weight handling). Add local CharLevelTokenizer to avoid stripedhyena's np.fromstring which was removed in numpy 2.0.