transformers safetensors qwen2 text-generation conversational dataset:macadeliccc/opus_samantha dataset:teknium/OpenHermes-2.5 dataset:HuggingfaceH4/ultrachat_200k dataset:cognitivecomputations/samantha-data dataset:cognitivecomputaions/uncensored-ultrachat base_model:Qwen/Qwen2-7B base_model:quantized:Qwen/Qwen2-7B license:apache-2.0 autotrain_compatible text-generation-inference endpoints_compatible 4-bit bitsandbytes region:us