this is also no longer true

Objects/rangeobject.c

@@ -127,9 +127,9 @@ range_dealloc(rangeobject *r)
 }
 
 /* Return number of items in range (lo, hi, step), when arguments are PyLong
- * objects.  step > 0 required.  Return a value < 0 if & only if the true
- * value is too large to fit in a signed long.  Arguments MUST return 1 with
- * PyLong_Check().  Return -1 when there is an error.
+ * objects.  Return a value < 0 if & only if the true value is too large to
+ * fit in a signed long.  Arguments MUST return 1 with PyLong_Check().  Return
+ * -1 when there is an error.
  */
 static PyObject*
 range_length_obj(rangeobject *r)