Fix typos in comments

Lib/test/test_asyncio/test_timeouts.py

@@ -220,7 +220,7 @@ async def test_nested_timeouts_loop_busy(self):
                         # Pretend the loop is busy for a while.
                         time.sleep(0.1)
                         await asyncio.sleep(1)
-                # TimeoutError was cought by (2)
+                # TimeoutError was caught by (2)
                 await asyncio.sleep(10) # This sleep should be interrupted by (1)
         t1 = loop.time()
         self.assertTrue(t0 <= t1 <= t0 + 1)

Lib/test/test_capi/test_exceptions.py

@@ -104,7 +104,7 @@ def __del__(self):
         ''')
         proc = assert_python_ok("-c", code)
         warnings = proc.err.splitlines()
-        # Due to the finalization of the interpreter, the source will be ommited
+        # Due to the finalization of the interpreter, the source will be omitted
         # because the ``warnings`` module cannot be imported at this time
         self.assertEqual(warnings, [
             b'<string>:7: RuntimeWarning: Testing PyErr_WarnEx',

Lib/test/test_pdb.py

@@ -1263,7 +1263,7 @@ def test_post_mortem_context_of_the_cause():
 def test_post_mortem_from_none():
     """Test post mortem traceback debugging of chained exception
 
-    In particular that cause from None (which sets __supress_context__ to True)
+    In particular that cause from None (which sets __suppress_context__ to True)
     does not show context.
 
 

Lib/test/test_statistics.py

@@ -2799,7 +2799,7 @@ def test_sqrtprod_helper_function_fundamentals(self):
     @requires_IEEE_754
     @unittest.skipIf(HAVE_DOUBLE_ROUNDING,
                      "accuracy not guaranteed on machines with double rounding")
-    @support.cpython_only    # Allow for a weaker sumprod() implmentation
+    @support.cpython_only    # Allow for a weaker sumprod() implementation
     def test_sqrtprod_helper_function_improved_accuracy(self):
         # Test a known example where accuracy is improved
         x, y, target = 0.8035720646477457, 0.7957468097636939, 0.7996498651651661

Lib/test/test_typing.py

@@ -2500,7 +2500,7 @@ def test_concatenate(self):
 
     def test_nested_paramspec(self):
         # Since Callable has some special treatment, we want to be sure
-        # that substituion works correctly, see gh-103054
+        # that substitution works correctly, see gh-103054
         Callable = self.Callable
         P = ParamSpec('P')
         P2 = ParamSpec('P2')

Lib/test/test_unicodedata.py

@@ -114,15 +114,15 @@ def test_no_names_in_pua(self):
 
     def test_lookup_nonexistant(self):
         # just make sure that lookup can fail
-        for nonexistant in [
+        for nonexistent in [
             "LATIN SMLL LETR A",
             "OPEN HANDS SIGHS",
             "DREGS",
             "HANDBUG",
             "MODIFIER LETTER CYRILLIC SMALL QUESTION MARK",
             "???",
         ]:
-            self.assertRaises(KeyError, self.db.lookup, nonexistant)
+            self.assertRaises(KeyError, self.db.lookup, nonexistent)
 
     def test_digit(self):
         self.assertEqual(self.db.digit('A', None), None)

Lib/tkinter/__init__.py

@@ -4490,7 +4490,7 @@ def data(self, format=None, *, from_coords=None,
         The FORMAT option specifies the name of the image file format
         handler to be used.  If this option is not given, this method uses
         a format that consists of a tuple (one element per row) of strings
-        containings space separated (one element per pixel/column) colors
+        containing space-separated (one element per pixel/column) colors
         in “#RRGGBB” format (where RR is a pair of hexadecimal digits for
         the red channel, GG for green, and BB for blue).
 

Modules/_ctypes/_ctypes_test.c

@@ -187,8 +187,8 @@ _testfunc_array_in_struct3B_set_defaults(void)
 /*
  * Test3C struct tests the MAX_STRUCT_SIZE 32. Structs containing arrays of up
  * to four floating-point types are passed in registers on Arm platforms.
- * This struct is used for within bounds test on Arm platfroms and for an
- * out-of-bounds tests for platfroms where MAX_STRUCT_SIZE is less than 32.
+ * This struct is used for within-bounds tests on Arm platforms and for an
+ * out-of-bounds test for platforms where MAX_STRUCT_SIZE is less than 32.
  * See gh-110190.
  */
 typedef struct {

Objects/object.c

@@ -1258,9 +1258,9 @@ PyObject_GetOptionalAttr(PyObject *v, PyObject *name, PyObject **result)
         return 0;
     }
     if (tp->tp_getattro == _Py_type_getattro) {
-        int supress_missing_attribute_exception = 0;
-        *result = _Py_type_getattro_impl((PyTypeObject*)v, name, &supress_missing_attribute_exception);
-        if (supress_missing_attribute_exception) {
+        int suppress_missing_attribute_exception = 0;
+        *result = _Py_type_getattro_impl((PyTypeObject*)v, name, &suppress_missing_attribute_exception);
+        if (suppress_missing_attribute_exception) {
             // return 0 without having to clear the exception
             return 0;
         }