From f8f156fd41fba54fbf80071fc2992aef09ac86e4 Mon Sep 17 00:00:00 2001
From: matham <moiein2000@gmail.com>
Date: Fri, 5 Aug 2016 14:18:43 -0400
Subject: [PATCH] Fix type and don't used children directly since it could be
 modified.

---
 kivy/uix/spinner.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kivy/uix/spinner.py b/kivy/uix/spinner.py
index 1416b6b02..62a462aae 100644
--- a/kivy/uix/spinner.py
+++ b/kivy/uix/spinner.py
@@ -166,8 +166,9 @@ class Spinner(Button):
         container = dp.container
         if not container:
             return
-        for value in container.children:
-            item.height = self.height
+        h = self.height
+        for item in container.children[:]:
+            item.height = h
 
     def _update_dropdown(self, *largs):
         dp = self._dropdown