diff --git a/googletest/test/gtest_env_var_test.py b/googletest/test/gtest_env_var_test.py
index ac24337f..1fc6ebe5 100755
--- a/googletest/test/gtest_env_var_test.py
+++ b/googletest/test/gtest_env_var_test.py
@@ -47,8 +47,8 @@ environ = os.environ.copy()
 
 def AssertEq(expected, actual):
   if expected != actual:
-    print 'Expected: %s' % (expected,)
-    print '  Actual: %s' % (actual,)
+    print('Expected: %s' % (expected,))
+    print('  Actual: %s' % (actual,))
     raise AssertionError
 
 
diff --git a/googletest/test/gtest_filter_unittest.py b/googletest/test/gtest_filter_unittest.py
index 0d1a7700..ec0b151b 100755
--- a/googletest/test/gtest_filter_unittest.py
+++ b/googletest/test/gtest_filter_unittest.py
@@ -44,7 +44,10 @@ __author__ = 'wan@google.com (Zhanyong Wan)'
 
 import os
 import re
-import sets
+try:
+  from sets import Set as set  # For Python 2.3 compatibility
+except ImportError:
+  pass
 import sys
 
 import gtest_test_utils
@@ -58,7 +61,7 @@ import gtest_test_utils
 # exception is thrown if the input is anything other than 'True' nor 'False'.
 os.environ['EMPTY_VAR'] = ''
 child = gtest_test_utils.Subprocess(
-    [sys.executable, '-c', 'import os; print \'EMPTY_VAR\' in os.environ'])
+    [sys.executable, '-c', 'import os; print(\'EMPTY_VAR\' in os.environ)'])
 CAN_PASS_EMPTY_ENV = eval(child.output)
 
 
@@ -71,7 +74,7 @@ CAN_PASS_EMPTY_ENV = eval(child.output)
 os.environ['UNSET_VAR'] = 'X'
 del os.environ['UNSET_VAR']
 child = gtest_test_utils.Subprocess(
-    [sys.executable, '-c', 'import os; print \'UNSET_VAR\' not in os.environ'])
+    [sys.executable, '-c', 'import os; print(\'UNSET_VAR\' not in os.environ)'])
 CAN_UNSET_ENV = eval(child.output)
 
 
@@ -243,14 +246,14 @@ class GTestFilterUnitTest(gtest_test_utils.TestCase):
     for slice_var in list_of_sets:
       full_partition.extend(slice_var)
     self.assertEqual(len(set_var), len(full_partition))
-    self.assertEqual(sets.Set(set_var), sets.Set(full_partition))
+    self.assertEqual(set(set_var), set(full_partition))
 
   def AdjustForParameterizedTests(self, tests_to_run):
     """Adjust tests_to_run in case value parameterized tests are disabled."""
 
     global param_tests_present
     if not param_tests_present:
-      return list(sets.Set(tests_to_run) - sets.Set(PARAM_TESTS))
+      return list(set(tests_to_run) - set(PARAM_TESTS))
     else:
       return tests_to_run
 
diff --git a/googletest/test/gtest_output_test.py b/googletest/test/gtest_output_test.py
index d5c637b4..06dbee09 100755
--- a/googletest/test/gtest_output_test.py
+++ b/googletest/test/gtest_output_test.py
@@ -279,7 +279,7 @@ class GTestOutputTest(gtest_test_utils.TestCase):
   def testOutput(self):
     output = GetOutputOfAllCommands()
 
-    golden_file = open(GOLDEN_PATH, 'rb')
+    golden_file = open(GOLDEN_PATH, 'r')
     # A mis-configured source control system can cause \r appear in EOL
     # sequences when we read the golden file irrespective of an operating
     # system used. Therefore, we need to strip those \r's from newlines
diff --git a/googletest/test/gtest_test_utils.py b/googletest/test/gtest_test_utils.py
index 7e3cbcaf..4acd36c9 100755
--- a/googletest/test/gtest_test_utils.py
+++ b/googletest/test/gtest_test_utils.py
@@ -178,7 +178,7 @@ def GetTestExecutablePath(executable_name, build_dir=None):
         'Unable to find the test binary "%s". Please make sure to provide\n'
         'a path to the binary via the --build_dir flag or the BUILD_DIR\n'
         'environment variable.' % path)
-    print >> sys.stderr, message
+    sys.stdout.write(message)
     sys.exit(1)
 
   return path
diff --git a/googletest/test/gtest_throw_on_failure_test.py b/googletest/test/gtest_throw_on_failure_test.py
index 5678ffea..3e7740ca 100755
--- a/googletest/test/gtest_throw_on_failure_test.py
+++ b/googletest/test/gtest_throw_on_failure_test.py
@@ -70,7 +70,7 @@ def SetEnvVar(env_var, value):
 def Run(command):
   """Runs a command; returns True/False if its exit code is/isn't 0."""
 
-  print 'Running "%s". . .' % ' '.join(command)
+  print('Running "%s". . .' % ' '.join(command))
   p = gtest_test_utils.Subprocess(command)
   return p.exited and p.exit_code == 0
 
diff --git a/googletest/test/gtest_uninitialized_test.py b/googletest/test/gtest_uninitialized_test.py
index 6ae57eee..43583700 100755
--- a/googletest/test/gtest_uninitialized_test.py
+++ b/googletest/test/gtest_uninitialized_test.py
@@ -46,8 +46,8 @@ def Assert(condition):
 
 def AssertEq(expected, actual):
   if expected != actual:
-    print 'Expected: %s' % (expected,)
-    print '  Actual: %s' % (actual,)
+    print('Expected: %s' % (expected,))
+    print('  Actual: %s' % (actual,))
     raise AssertionError
 
 
diff --git a/googletest/test/gtest_xml_output_unittest.py b/googletest/test/gtest_xml_output_unittest.py
index f605d4ee..e77be3d3 100755
--- a/googletest/test/gtest_xml_output_unittest.py
+++ b/googletest/test/gtest_xml_output_unittest.py
@@ -209,7 +209,8 @@ class GTestXMLOutputUnitTest(gtest_xml_test_utils.GTestXMLTestCase):
         'gtest_no_test_unittest')
     try:
       os.remove(output_file)
-    except OSError, e:
+    except OSError:
+      e = sys.exc_info()[1]
       if e.errno != errno.ENOENT:
         raise
 
diff --git a/googletest/test/gtest_xml_test_utils.py b/googletest/test/gtest_xml_test_utils.py
index 3d0c3b2c..341956b5 100755
--- a/googletest/test/gtest_xml_test_utils.py
+++ b/googletest/test/gtest_xml_test_utils.py
@@ -101,7 +101,7 @@ class GTestXMLTestCase(gtest_test_utils.TestCase):
     self.assertEquals(
         len(expected_children), len(actual_children),
         'number of child elements differ in element ' + actual_node.tagName)
-    for child_id, child in expected_children.iteritems():
+    for child_id, child in expected_children.items():
       self.assert_(child_id in actual_children,
                    '<%s> is not in <%s> (in element %s)' %
                    (child_id, actual_children, actual_node.tagName))