Comments/blurb spelling and grammar

Author: stestagg

Lib/test/test_bytes.py

@@ -2202,9 +2202,9 @@ class ByteArrayInitialization1Test(unittest.TestCase):
     # A bytearray created with __new__ so that __init__ is never called
     # (often as a side-effect of a subclass not calling super().__init__).
     # Is left with ob_bytes_object == NULL.  It's easy for implementation
-    # code to not realise that ob_bytes_object can be NULL, so these tests
+    # code to not realize that ob_bytes_object can be NULL, so these tests
     # verify a set of code paths that have historically crashed or asserted
-    # (see gh-153419)
+    # (see gh-153419).
 
     def _check(self, stmt, expected):
         code = textwrap.dedent(f"""
@@ -2244,7 +2244,7 @@ def test_init_bytes(self):
 
     def test_reinit_length1(self):
         # There is a shortcut taken when resizing, where alloc/2 < newsize.
-        # In this case, the existing buffer is reused, rather than reset
+        # In this case, the existing buffer is reused, rather than reset.
         # If this happens when newsize == 0 and alloc == 1, then various
         # code assumptions can be violated.  This test should catch those
         # in debug builds. (see gh-153419)

Misc/NEWS.d/next/Core_and_Builtins/2026-07-11-01-17-57.gh-issue-153419.U8HJOJ.rst

@@ -1,4 +1,4 @@
-Fix several ``bytearray`` crashes caused by calling or not calling __init__
-at the expected times.  As a side-effect, calling __init__ on an empty
-bytearray that has an active buffer view (``memoryview`` or similar) will
-now raise a ``BufferError``
+Fix several ``bytearray`` crashes caused by calling, or not calling,
+``__init__`` when expected.  As a side-effect, calling ``__init__`` on
+an empty ``bytearray`` that has an active buffer view (``memoryview`` or
+similar) now raises a ``BufferError``.

Objects/bytearrayobject.c

@@ -1622,8 +1622,8 @@ bytearray_take_bytes_impl(PyByteArrayObject *self, PyObject *n)
     }
 
     if (_PyBytes_Resize(&self->ob_bytes_object, to_take) == -1) {
-        /* _PyBytes_Resize has made ob_bytes_object NULL here
-           we need to ensure that the other byte array fields are consistent. */
+        /* _PyBytes_Resize has made ob_bytes_object NULL here. We need to
+           ensure that the other bytearray fields are consistent. */
         self->ob_bytes_object = Py_GetConstant(Py_CONSTANT_EMPTY_BYTES);
         bytearray_reinit_from_bytes(self, 0, 0);
         Py_DECREF(remaining);