1 files changed, 6 insertions, 1 deletions
diff --git a/Lib/tkinter/test/test_ttk/test_extensions.py b/Lib/tkinter/test/test_ttk/test_extensions.py
index 1a70e0b..e6b3ecc 100644
--- a/Lib/tkinter/test/test_ttk/test_extensions.py
+++ b/Lib/tkinter/test/test_ttk/test_extensions.py
@@ -2,7 +2,7 @@ import sys
 import unittest
 import tkinter
 from tkinter import ttk
-from test.support import requires, run_unittest
+from test.support import requires, run_unittest, gc_collect
 from tkinter.test.support import AbstractTkTest, AbstractDefaultRootTest
 
 requires('gui')
@@ -18,6 +18,7 @@ class LabeledScaleTest(AbstractTkTest, unittest.TestCase):
         x = ttk.LabeledScale(self.root)
         var = x._variable._name
         x.destroy()
+        gc_collect()  # For PyPy or other GCs.
         self.assertRaises(tkinter.TclError, x.tk.globalgetvar, var)
 
         # manually created variable
@@ -30,6 +31,7 @@ class LabeledScaleTest(AbstractTkTest, unittest.TestCase):
         else:
             self.assertEqual(float(x.tk.globalgetvar(name)), myvar.get())
         del myvar
+        gc_collect()  # For PyPy or other GCs.
         self.assertRaises(tkinter.TclError, x.tk.globalgetvar, name)
 
         # checking that the tracing callback is properly removed
@@ -171,6 +173,7 @@ class LabeledScaleTest(AbstractTkTest, unittest.TestCase):
     def test_resize(self):
         x = ttk.LabeledScale(self.root)
         x.pack(expand=True, fill='both')
+        gc_collect()  # For PyPy or other GCs.
         x.update()
 
         width, height = x.master.winfo_width(), x.master.winfo_height()
@@ -206,6 +209,7 @@ class OptionMenuTest(AbstractTkTest, unittest.TestCase):
         optmenu.destroy()
         self.assertEqual(optmenu.tk.globalgetvar(name), var.get())
         del var
+        gc_collect()  # For PyPy or other GCs.
         self.assertRaises(tkinter.TclError, optmenu.tk.globalgetvar, name)
 
 
@@ -251,6 +255,7 @@ class OptionMenuTest(AbstractTkTest, unittest.TestCase):
 
         # check that variable is updated correctly
         optmenu.pack()
+        gc_collect()  # For PyPy or other GCs.
         optmenu['menu'].invoke(0)
         self.assertEqual(optmenu._variable.get(), items[0])