🐍 PyQwen-4B v0.0.1

A fine-tuned version of Qwen/Qwen3.5-4B specialized in Python development.

🧠 What it knows

• Pydantic v2 (validators, aliases, model_validate)
• typing (Generic, ParamSpec, TypeVar)
• collections (ChainMap, defaultdict)
• Decorators & context managers

🚀 Quick start

from transformers import AutoModelForCausalLM, AutoTokenizer

model = AutoModelForCausalLM.from_pretrained("Zapivara/pyqwen-4B")
tokenizer = AutoTokenizer.from_pretrained("Zapivara/pyqwen-4B")

📊 Training

Parameter	Value
Base model	Qwen/Qwen3.5-4B
Dataset	498 examples
Method	QLoRA (LoRA r=16)
Epochs	3
Final loss	0.380
Hardware	Tesla T4
Time	52 min