diff --git a/Doc/howto/urllib2.rst b/Doc/howto/urllib2.rst
index 61ba6bd7224fcc..86137fb38c9b93 100644
--- a/Doc/howto/urllib2.rst
+++ b/Doc/howto/urllib2.rst
@@ -6,13 +6,6 @@
 
 :Author: `Michael Foord <https://agileabstractions.com/>`_
 
-.. note::
-
-    There is a French translation of an earlier revision of this
-    HOWTO, available at `urllib2 - Le Manuel manquant
-    <https://web.archive.org/web/20200910051922/http://www.voidspace.org.uk/python/articles/urllib2_francais.shtml>`_.
-
-
 
 Introduction
 ============
diff --git a/Include/cpython/longintrepr.h b/Include/cpython/longintrepr.h
index 0f569935fff14a..692c69ba76db2f 100644
--- a/Include/cpython/longintrepr.h
+++ b/Include/cpython/longintrepr.h
@@ -104,9 +104,10 @@ _PyLong_FromDigits(int negative, Py_ssize_t digit_count, digit *digits);
 #define _PyLong_SIGN_MASK 3
 #define _PyLong_NON_SIZE_BITS 3
 
+
 static inline int
 _PyLong_IsCompact(const PyLongObject* op) {
-    assert(PyLong_Check(op));
+    assert(PyType_HasFeature((op)->ob_base.ob_type, Py_TPFLAGS_LONG_SUBCLASS));
     return op->long_value.lv_tag < (2 << _PyLong_NON_SIZE_BITS);
 }
 
@@ -115,7 +116,7 @@ _PyLong_IsCompact(const PyLongObject* op) {
 static inline Py_ssize_t
 _PyLong_CompactValue(const PyLongObject *op)
 {
-    assert(PyLong_Check(op));
+    assert(PyType_HasFeature((op)->ob_base.ob_type, Py_TPFLAGS_LONG_SUBCLASS));
     assert(PyUnstable_Long_IsCompact(op));
     Py_ssize_t sign = 1 - (op->long_value.lv_tag & _PyLong_SIGN_MASK);
     return sign * (Py_ssize_t)op->long_value.ob_digit[0];