diff --git a/cura/Settings/ExtruderManager.py b/cura/Settings/ExtruderManager.py index 7a8c1be8bc..40d8fe7a19 100755 --- a/cura/Settings/ExtruderManager.py +++ b/cura/Settings/ExtruderManager.py @@ -20,6 +20,7 @@ from typing import Optional, List, TYPE_CHECKING, Union if TYPE_CHECKING: from cura.Settings.ExtruderStack import ExtruderStack + from cura.Settings.GlobalStack import GlobalStack ## Manages all existing extruder stacks.