...     # Build an generator that yields the entries to add to the DDUF file.
...     # The first element of the tuple is the filename in the DDUF archive (must use UNIX separator!). The second element is the content of the file.
...     # Entries will be evaluated lazily when the DDUF file is created (only 1 entry is loaded in memory at a time)
...     yield "vae/config.json", pipe.vae.to_json_string().encode()