Update app.py

app.py

@@ -26,7 +26,7 @@ import os
 import requests
 from urllib.parse import quote
 from PIL import Image
-import fitz  # PyMuPDF
+import fitz  # type: ignore # PyMuPDF
 import tempfile
 from reportlab.lib import colors
 from reportlab.lib.pagesizes import letter, landscape
@@ -328,12 +328,22 @@ def extract_pdf_thumbnail(pdf_url, model_name, max_width=300, max_height=400):
                 tmp_path = tmp_file.name
             
             # Open PDF and extract first page
-            pdf_document = fitz.open(tmp_path)
+            pdf_document = fitz.open(tmp_path)  # type: ignore
             first_page = pdf_document[0]
             
             # Render page as image (2x resolution for better quality)
             mat = fitz.Matrix(2, 2)
-            pix = first_page.get_pixmap(matrix=mat)
+            # Try new API first, fallback to old API
+            try:
+                # New PyMuPDF API
+                pix = first_page.get_pixmap(matrix=mat)
+            except:
+                try:
+                    # Alternative method
+                    pix = first_page.get_pixmap(mat)
+                except:
+                    # Fallback without matrix for very old versions
+                    pix = first_page.get_pixmap()
             
             # Convert to PIL Image
             img_data = pix.tobytes("png")