Update app.py

app.py

@@ -1683,6 +1683,7 @@ def extract_images_from_pdf(pdf_stream, output_dir):
 
 def similarity_matching(sprites_data: dict, project_folder: str, top_k: int = 1, min_similarity: float = None) -> str:
     print("🔍 Running similarity matching…")
+    import os
     os.makedirs(project_folder, exist_ok=True)
 
     backdrop_base_path = r"D:\DEV PATEL\2025\scratch_VLM\scratch_agent\blocks\Backdrops"