Update requirements.txt

requirements.txt

@@ -1,9 +1,15 @@
-gunicorn==22.0.0
-httpx
-asyncio
-fastapi==0.95.2
-uvicorn==0.22.0
-transformers==4.28.1
-accelerate==0.18.0
-torch  # Explicit CPU version
-sentencepiece==0.1.99  # Required for Qwen tokenizer
+# Core libraries
+torch>=2.0.0
+transformers @ git+https://github.com/huggingface/transformers.git
+accelerate
+huggingface-hub
+sentencepiece
+protobuf
+uvicorn
+fastapi
+
+# Optional - if you use bitsandbytes quantization (can skip if CPU-only)
+# bitsandbytes
+
+# Extra safety
+scipy