From 18fddf50c70cafdf6e6890e1a9fd19f9aa295ed6 Mon Sep 17 00:00:00 2001
From: Lipu Fei <lipu.fei815@gmail.com>
Date: Tue, 18 Jul 2017 09:22:45 +0200
Subject: [PATCH] Add type hinting for container_id in ExtruderStack

CURA-4049
---
 cura/Settings/ExtruderStack.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cura/Settings/ExtruderStack.py b/cura/Settings/ExtruderStack.py
index e7f57eb4ef..6484692439 100644
--- a/cura/Settings/ExtruderStack.py
+++ b/cura/Settings/ExtruderStack.py
@@ -20,7 +20,7 @@ if TYPE_CHECKING:
 #
 #
 class ExtruderStack(CuraContainerStack):
-    def __init__(self, container_id, *args, **kwargs):
+    def __init__(self, container_id: str, *args, **kwargs):
         super().__init__(container_id, *args, **kwargs)
 
         self.addMetaDataEntry("type", "extruder_train") # For backward compatibility