Fix format string in StdPrinter repr

The appropriate format specifier to print a pointer as 0x.... is %p.
python · serhiy-storchaka · Mar 10, 2019 · Mar 9, 2019 · Mar 9, 2019 · Mar 9, 2019
commit 496648a5de03448ebf8e20fdf35d339f13f4b47d
diff --git a/Objects/fileobject.c b/Objects/fileobject.c
@@ -411,7 +411,7 @@ stdprinter_fileno(PyStdPrinter_Object *self, PyObject *Py_UNUSED(ignored))
 static PyObject *
 stdprinter_repr(PyStdPrinter_Object *self)
 {
-    return PyUnicode_FromFormat("<stdprinter(fd=%d) object at 0x%x>",
+    return PyUnicode_FromFormat("<stdprinter(fd=%d) object at %p>",
                                 self->fd, self);
 }