Apply suggestions from code review

Co-authored-by: Andrew Murray <3112309+radarhere@users.noreply.github.com>

Tests/test_image_getim.py

@@ -16,4 +16,4 @@ def test_sanity() -> None:
 
     with pytest.warns(DeprecationWarning):
         ptrs = dict(im.im.unsafe_ptrs)
-    assert all(k in ptrs for k in ["image8", "image32", "image"])
+    assert ptrs.keys() == {"image8", "image32", "image"}

src/_imaging.c

@@ -3706,7 +3706,7 @@ static PyObject *
 _getattr_id(ImagingObject *self, void *closure) {
     if (PyErr_WarnEx(
             PyExc_DeprecationWarning,
-            "id property is deprecated and will be removed in Pillow 12.0",
+            "id property is deprecated and will be removed in Pillow 12 (2025-10-15)",
             1
         ) < 0) {
         return NULL;
@@ -3732,7 +3732,8 @@ static PyObject *
 _getattr_unsafe_ptrs(ImagingObject *self, void *closure) {
     if (PyErr_WarnEx(
             PyExc_DeprecationWarning,
-            "unsafe_ptrs property is deprecated and will be removed in Pillow 12.0",
+            "unsafe_ptrs property is deprecated and will be removed in Pillow 12 "
+            "(2025-10-15)",
             1
         ) < 0) {
         return NULL;

src/_imagingmorph.c

@@ -29,8 +29,8 @@
 static PyObject *
 apply(PyObject *self, PyObject *args) {
     const char *lut;
-    PyObject *i0, *i1;
     Py_ssize_t lut_len;
+    PyObject *i0, *i1;
     Imaging imgin, imgout;
     int width, height;
     int row_idx, col_idx;
@@ -124,8 +124,8 @@ apply(PyObject *self, PyObject *args) {
 static PyObject *
 match(PyObject *self, PyObject *args) {
     const char *lut;
-    PyObject *i0;
     Py_ssize_t lut_len;
+    PyObject *i0;
     Imaging imgin;
     int width, height;
     int row_idx, col_idx;

src/libImaging/Imaging.h

@@ -60,7 +60,7 @@ typedef struct ImagingHistogramInstance *ImagingHistogram;
 typedef struct ImagingOutlineInstance *ImagingOutline;
 typedef struct ImagingPaletteInstance *ImagingPalette;
 
-/* handle magics (used with PyCObject). */
+/* handle magics (used with PyCapsule). */
 #define IMAGING_MAGIC "Pillow Imaging"
 
 /* pixel types */