Update app.py

app.py

@@ -16,7 +16,7 @@ IMAGE_ZOOM_FACTOR = 2  # 2 = 144 DPI
 SPACER_HEIGHT = 30     # Vertical space between pages
 BACKGROUND_COLOR = (255, 255, 255) # White
 
-def pdf_to_png_streaming(pdf_file, pdf_url, progress=gr.Progress(track_ τότε=True)):
+def pdf_to_png_streaming(pdf_file, pdf_url, progress=gr.Progress(track_tqdm=True)):
     """
     Converts a PDF (from file or URL) to a single PNG, streaming the output
     image as each page is processed.