Update requirements.txt

requirements.txt

@@ -1,7 +1,7 @@
 # OCR Confidence Visualization - Gradio Dependencies
 
 # Gradio UI
-gradio==5.33.0
+gradio>=4.0.0
 
 # HuggingFace Spaces (ZeroGPU support)
 spaces
@@ -16,10 +16,9 @@ qwen-vl-utils
 huggingface_hub
 
 # Attention + Acceleration
-# Note: flash-attn built from source on HF Spaces (requires CUDA build tools)
-flash-attn
-accelerate
-peft
+flash-attn @ https://github.com/Dao-AILab/flash-attention/releases/download/v2.7.3/flash_attn-2.7.3+cu12torch2.6cxx11abiFALSE-cp310-cp310-linux_x86_64.whl
+git+https://github.com/huggingface/accelerate.git
+git+https://github.com/huggingface/peft.git
 transformers-stream-generator
 
 # Image processing