Update app.py

app.py

@@ -68,7 +68,7 @@ def detectarCatastro(pdf):
         for page_num in range(len(pdf)):
             page = pdf.load_page(page_num)
             pix = page.get_pixmap()
-            image_np = np.frombuffer(image.samples, dtype=np.uint8).reshape((image.height, image.width, 4))
+            image_np = np.frombuffer(pix.samples, dtype=np.uint8).reshape((pix.height, pix.width, 4))
             images.append(image_np)