peft safetensors python code conversational ru en dataset:zelkame/ru-stackoverflow-py dataset:MexIvanov/Vezora-Tested-22k-Python-Alpaca-ru dataset:MexIvanov/CodeExercise-Python-27k-ru base_model:HuggingFaceH4/zephyr-7b-beta base_model:adapter:HuggingFaceH4/zephyr-7b-beta license:mit region:us