DOC: Make code example more robust (#2609)

The example failed when a PDF file did not contain any metadata. Signed-off-by: Stefan Weil <sw@weilnetz.de>
py-pdf · Apr 30, 2024 · 40dc70c · 40dc70c
1 parent 6d9a7ec
commit 40dc70c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/docs/user/file-size.md b/docs/user/file-size.md
@@ -20,7 +20,8 @@ writer = PdfWriter()
 for page in reader.pages:
     writer.add_page(page)
 
-writer.add_metadata(reader.metadata)
+if reader.metadata is not None:
+    writer.add_metadata(reader.metadata)
 
 with open("smaller-new-file.pdf", "wb") as fp:
     writer.write(fp)