diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
index d09255d..d5de5e9 100644
--- a/Lib/test/datetimetester.py
+++ b/Lib/test/datetimetester.py
@@ -6160,7 +6160,7 @@
     def test_date_from_date(self):
         exp_date = date(1993, 8, 26)
 
-        for macro in [0, 1]:
+        for macro in False, True:
             with self.subTest(macro=macro):
                 c_api_date = _testcapi.get_date_fromdate(
                     macro,
@@ -6173,7 +6173,7 @@
     def test_datetime_from_dateandtime(self):
         exp_date = datetime(1993, 8, 26, 22, 12, 55, 99999)
 
-        for macro in [0, 1]:
+        for macro in False, True:
             with self.subTest(macro=macro):
                 c_api_date = _testcapi.get_datetime_fromdateandtime(
                     macro,
@@ -6191,7 +6191,7 @@
         exp_date = datetime(1993, 8, 26, 22, 12, 55, 99999)
 
         for fold in [0, 1]:
-            for macro in [0, 1]:
+            for macro in False, True:
                 with self.subTest(macro=macro, fold=fold):
                     c_api_date = _testcapi.get_datetime_fromdateandtimeandfold(
                         macro,
@@ -6210,7 +6210,7 @@
     def test_time_from_time(self):
         exp_time = time(22, 12, 55, 99999)
 
-        for macro in [0, 1]:
+        for macro in False, True:
             with self.subTest(macro=macro):
                 c_api_time = _testcapi.get_time_fromtime(
                     macro,
@@ -6225,7 +6225,7 @@
         exp_time = time(22, 12, 55, 99999)
 
         for fold in [0, 1]:
-            for macro in [0, 1]:
+            for macro in False, True:
                 with self.subTest(macro=macro, fold=fold):
                     c_api_time = _testcapi.get_time_fromtimeandfold(
                         macro,
@@ -6241,7 +6241,7 @@
     def test_delta_from_dsu(self):
         exp_delta = timedelta(26, 55, 99999)
 
-        for macro in [0, 1]:
+        for macro in False, True:
             with self.subTest(macro=macro):
                 c_api_delta = _testcapi.get_delta_fromdsu(
                     macro,
@@ -6254,7 +6254,7 @@
     def test_date_from_timestamp(self):
         ts = datetime(1995, 4, 12).timestamp()
 
-        for macro in [0, 1]:
+        for macro in False, True:
             with self.subTest(macro=macro):
                 d = _testcapi.get_date_fromtimestamp(int(ts), macro)
 
@@ -6272,7 +6272,7 @@
 
         from_timestamp = _testcapi.get_datetime_fromtimestamp
         for case in cases:
-            for macro in [0, 1]:
+            for macro in False, True:
                 with self.subTest(case=case, macro=macro):
                     dtup, tzinfo, usetz = case
                     dt_orig = datetime(*dtup, tzinfo=tzinfo)
diff --git a/Lib/test/lock_tests.py b/Lib/test/lock_tests.py
index d12a86e..cd1155d 100644
--- a/Lib/test/lock_tests.py
+++ b/Lib/test/lock_tests.py
@@ -182,7 +182,7 @@
     def test_timeout(self):
         lock = self.locktype()
         # Can't set timeout if not blocking
-        self.assertRaises(ValueError, lock.acquire, 0, 1)
+        self.assertRaises(ValueError, lock.acquire, False, 1)
         # Invalid timeout values
         self.assertRaises(ValueError, lock.acquire, timeout=-100)
         self.assertRaises(OverflowError, lock.acquire, timeout=1e100)
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index 1100c49..db2f6cd 100644
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -320,8 +320,8 @@
         bom = b'\xef\xbb\xbf'
         compile(bom + b'print(1)\n', '', 'exec')
         compile(source='pass', filename='?', mode='exec')
-        compile(dont_inherit=0, filename='tmp', source='0', mode='eval')
-        compile('pass', '?', dont_inherit=1, mode='exec')
+        compile(dont_inherit=False, filename='tmp', source='0', mode='eval')
+        compile('pass', '?', dont_inherit=True, mode='exec')
         compile(memoryview(b"text"), "name", "exec")
         self.assertRaises(TypeError, compile)
         self.assertRaises(ValueError, compile, 'print(42)\n', '<string>', 'badmode')
@@ -1853,7 +1853,7 @@
         self.assertEqual(data, sorted(copy, key=lambda x: -x))
         self.assertNotEqual(data, copy)
         random.shuffle(copy)
-        self.assertEqual(data, sorted(copy, reverse=1))
+        self.assertEqual(data, sorted(copy, reverse=True))
         self.assertNotEqual(data, copy)
 
     def test_bad_arguments(self):
diff --git a/Lib/test/test_ioctl.py b/Lib/test/test_ioctl.py
index d1a5db9..a287358 100644
--- a/Lib/test/test_ioctl.py
+++ b/Lib/test/test_ioctl.py
@@ -48,7 +48,7 @@
         else:
             buf.append(fill)
         with open("/dev/tty", "rb") as tty:
-            r = fcntl.ioctl(tty, termios.TIOCGPGRP, buf, 1)
+            r = fcntl.ioctl(tty, termios.TIOCGPGRP, buf, True)
         rpgrp = buf[0]
         self.assertEqual(r, 0)
         self.assertIn(rpgrp, ids)
diff --git a/Lib/test/test_ordered_dict.py b/Lib/test/test_ordered_dict.py
index 148a9bd..f337be8 100644
--- a/Lib/test/test_ordered_dict.py
+++ b/Lib/test/test_ordered_dict.py
@@ -407,9 +407,9 @@
         self.assertEqual(list(od), list('abcde'))
         od.move_to_end('c')
         self.assertEqual(list(od), list('abdec'))
-        od.move_to_end('c', 0)
+        od.move_to_end('c', False)
         self.assertEqual(list(od), list('cabde'))
-        od.move_to_end('c', 0)
+        od.move_to_end('c', False)
         self.assertEqual(list(od), list('cabde'))
         od.move_to_end('e')
         self.assertEqual(list(od), list('cabde'))
@@ -418,7 +418,7 @@
         with self.assertRaises(KeyError):
             od.move_to_end('x')
         with self.assertRaises(KeyError):
-            od.move_to_end('x', 0)
+            od.move_to_end('x', False)
 
     def test_move_to_end_issue25406(self):
         OrderedDict = self.OrderedDict
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
index 7bd7f51..8636f2b 100644
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -2820,15 +2820,15 @@
         for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600',
                   'a\ud800b\udfffc', '\ud834\udd1e']:
             l = len(s)
-            self.assertEqual(unicode_asucs4(s, l, 1), s+'\0')
-            self.assertEqual(unicode_asucs4(s, l, 0), s+'\uffff')
-            self.assertEqual(unicode_asucs4(s, l+1, 1), s+'\0\uffff')
-            self.assertEqual(unicode_asucs4(s, l+1, 0), s+'\0\uffff')
-            self.assertRaises(SystemError, unicode_asucs4, s, l-1, 1)
-            self.assertRaises(SystemError, unicode_asucs4, s, l-2, 0)
+            self.assertEqual(unicode_asucs4(s, l, True), s+'\0')
+            self.assertEqual(unicode_asucs4(s, l, False), s+'\uffff')
+            self.assertEqual(unicode_asucs4(s, l+1, True), s+'\0\uffff')
+            self.assertEqual(unicode_asucs4(s, l+1, False), s+'\0\uffff')
+            self.assertRaises(SystemError, unicode_asucs4, s, l-1, True)
+            self.assertRaises(SystemError, unicode_asucs4, s, l-2, False)
             s = '\0'.join([s, s])
-            self.assertEqual(unicode_asucs4(s, len(s), 1), s+'\0')
-            self.assertEqual(unicode_asucs4(s, len(s), 0), s+'\uffff')
+            self.assertEqual(unicode_asucs4(s, len(s), True), s+'\0')
+            self.assertEqual(unicode_asucs4(s, len(s), False), s+'\uffff')
 
     # Test PyUnicode_AsUTF8()
     @support.cpython_only