Fix warning message when exporting/editing layers of a non-XCF image

Author: kamilburda

CHANGELOG.md

@@ -12,6 +12,7 @@ Changes to procedures:
 Bug fixes:
 * Fixed a crash on startup for macOS installation packages.
 * Fixed a crash in non-interactive mode if the settings file is not specified.
+* Fixed a warning message displayed when exporting or editing layers of an imported (i.e. non-XCF) image.
 * Fixed console warnings when opening the custom procedure browser.
 
 

batcher/pygimplib/pdbutils.py

@@ -28,7 +28,7 @@ def duplicate_image_without_contents(image: Gimp.Image) -> Gimp.Image:
   new_image.undo_disable()
 
   image_file = image.get_file()
-  if image_file is not None:
+  if image_file is not None and image.get_imported_file() is None:
     new_image.set_file(image_file)
 
   new_image.set_resolution(*image.get_resolution()[1:])