diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 634b909..8346587 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -654,26 +654,26 @@
        s = list(iterable)
        return chain.from_iterable(combinations(s, r) for r in range(len(s)+1))
 
-    def unique_everseen(iterable, key=None):
-        "List unique elements, preserving order. Remember all elements ever seen."
-        # unique_everseen('AAAABBBCCDAABBB') --> A B C D
-        # unique_everseen('ABBCcAD', str.lower) --> A B C D
-        seen = set()
-        seen_add = seen.add
-        if key is None:
-            for element in iterable:
-                if element not in seen:
-                    seen_add(element)
-                    yield element
-        else:
-            for element in iterable:
-                k = key(element)
-                if k not in seen:
-                    seen_add(k)
-                    yield element
+   def unique_everseen(iterable, key=None):
+       "List unique elements, preserving order. Remember all elements ever seen."
+       # unique_everseen('AAAABBBCCDAABBB') --> A B C D
+       # unique_everseen('ABBCcAD', str.lower) --> A B C D
+       seen = set()
+       seen_add = seen.add
+       if key is None:
+           for element in iterable:
+               if element not in seen:
+                   seen_add(element)
+                   yield element
+       else:
+           for element in iterable:
+               k = key(element)
+               if k not in seen:
+                   seen_add(k)
+                   yield element
 
-    def unique_justseen(iterable, key=None):
-        "List unique elements, preserving order. Remember only the element just seen."
-        # unique_justseen('AAAABBBCCDAABBB') --> A B C D A B
-        # unique_justseen('ABBCcAD', str.lower) --> A B C A D
-        return map(next, map(itemgetter(1), groupby(iterable, key)))
+   def unique_justseen(iterable, key=None):
+       "List unique elements, preserving order. Remember only the element just seen."
+       # unique_justseen('AAAABBBCCDAABBB') --> A B C D A B
+       # unique_justseen('ABBCcAD', str.lower) --> A B C A D
+       return map(next, imap(itemgetter(1), groupby(iterable, key)))
diff --git a/Lib/tkinter/test/runtktests.py b/Lib/tkinter/test/runtktests.py
index 7067594..3d9775b 100644
--- a/Lib/tkinter/test/runtktests.py
+++ b/Lib/tkinter/test/runtktests.py
@@ -9,6 +9,7 @@
 import os
 import sys
 import unittest
+import importlib
 import test.support
 
 this_dir_path = os.path.abspath(os.path.dirname(__file__))
@@ -44,13 +45,8 @@
 
             for name in filenames:
                 try:
-                    yield __import__(
-                            "%s.%s.%s" % (
-                                "tkinter.test",
-                                pkg_name,
-                                name[:-len(py_ext)]),
-                            fromlist=['']
-                            )
+                    yield importlib.import_module(
+                        ".%s" % name[:-len(py_ext)], pkg_name)
                 except test.support.ResourceDenied:
                     if gui:
                         raise
diff --git a/Lib/tkinter/test/test_ttk/test_extensions.py b/Lib/tkinter/test/test_ttk/test_extensions.py
index a14ccca..9e52fc6 100644
--- a/Lib/tkinter/test/test_ttk/test_extensions.py
+++ b/Lib/tkinter/test/test_ttk/test_extensions.py
@@ -167,14 +167,15 @@
         x.update()
 
         width, height = x.master.winfo_width(), x.master.winfo_height()
-        width, height = width * 2, height * 2
+        width_new, height_new = width * 2, height * 2
 
         x.value = 3
         x.update()
-        x.master.wm_geometry("%dx%d" % (width, height))
+        x.master.wm_geometry("%dx%d" % (width_new, height_new))
         self.failUnlessEqual(int(x.label.place_info()['x']),
             x.scale.coords()[0])
 
+        # Reset geometry
         x.master.wm_geometry("%dx%d" % (width, height))
         x.destroy()