Update app.py

app.py

@@ -172,7 +172,7 @@ def display_doc_as_image(pdf_path):
 
     from IPython.display import display, Image
 
-    images = convert_from_bytes(open(pdf_path', 'rb').read(), size=800)
+    images = convert_from_bytes(open(pdf_path, 'rb').read(), size=800)
     display(images[0])
 
 # Process if files are uploaded