Update app.py

app.py

@@ -1684,6 +1684,22 @@ 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
+    import json
+    import numpy as np
+    import torch
+    from PIL import Image, ImageOps, ImageEnhance
+    from imagededup.methods import PHash
+    from transformers import AutoImageProcessor, AutoModel
+    import io
+    import base64
+    from pathlib import Path
+    import cv2
+    # hashing & image-match
+    from image_match.goldberg import ImageSignature
+    import sys
+    import math
+    import hashlib
+    from typing import List, Tuple
     os.makedirs(project_folder, exist_ok=True)
 
     backdrop_base_path = r"D:\DEV PATEL\2025\scratch_VLM\scratch_agent\blocks\Backdrops"