Update app.py

app.py

@@ -34,7 +34,7 @@ torch.cuda.empty_cache()
 if torch.cuda.is_available():
     torch.cuda.set_per_process_memory_fraction(0.7)  # Use only 70% of GPU memory
 
-huggingface_token = os.getenv("HF_TOKEN")
+huggingface_token = os.getenv("HUGGINFACE_TOKEN")
 
 model_path = snapshot_download(
     repo_id="black-forest-labs/FLUX.1-dev",