Extrafiles: Skipping already present destination file:

So, I’m using extrafiles to copy all cover/log/cue files and get the warning in the title. I’m not sure what I’m doing wrong. I looked in the config file, but I can’t see anything wrong with it:

directory: /zet/Muzica
library: /zet/Muzica/database.db
plugins: inline extrafiles discogs

import:
  move: no
  copy: yes

item_fields:
  mygenre: |
    import os
    #mypath = os.path.abspath(path)
    #return str(mypath).split("/")[3]
    return os.environ.get("MYGEN")

paths:
  default: $mygenre/$albumartist/$year - $album%aunique{} [%upper{$format}]/$track - $title
  singleton: Non-Album/$artist/$title
  comp: Compilations/$album%aunique{}/$track $title

extrafiles:
  patterns:
    all: '*.*'

During import I get two of every extra file - like this:

cover.jpg
cover.1.jpg
album.cue
album.1.cue

Perhaps this goes without saying, but because extrafiles is a third-party plugin, it might be worth posting a question on its issue tracker as well.