import spaces
from huggingface_hub import hf_hub_download
import subprocess
import importlib
import site
import torch

flash_attention_installed = False

try:
    import flash_attn

    flash_attention_installed = True
    print("FlashAttention installed successfully.")

except Exception as e:
    print(f"⚠️ Could not install FlashAttention: {e}")
    print("Continuing without FlashAttention...")

attn_implementation = "flash_attention_2" if flash_attention_installed else "sdpa"
dtype = torch.bfloat16 if flash_attention_installed else None