--- boost_1_73_0/boost/parameter/python.hpp%	2020-11-13 23:37:19.232520985 +0000
+++ boost_1_73_0/boost/parameter/python.hpp	2020-11-13 23:40:58.808393161 +0000
@@ -66,7 +66,7 @@
       
       if (Py_TYPE(&unspecified) == 0)
       {
-          Py_TYPE(&unspecified) = &PyType_Type;
+          Py_SET_TYPE(&unspecified, &PyType_Type);
           PyType_Ready(&unspecified);
       }
       
--- boost_1_73_0/libs/python/src/object/class.cpp~	2020-11-13 23:37:19.236520983 +0000
+++ boost_1_73_0/libs/python/src/object/class.cpp	2020-11-13 23:40:40.233403979 +0000
@@ -208,7 +208,7 @@
   {
       if (static_data_object.tp_dict == 0)
       {
-          Py_TYPE(&static_data_object) = &PyType_Type;
+          Py_SET_TYPE(&static_data_object, &PyType_Type);
           static_data_object.tp_base = &PyProperty_Type;
           if (PyType_Ready(&static_data_object))
               return 0;
@@ -316,7 +316,7 @@
   {
       if (class_metatype_object.tp_dict == 0)
       {
-          Py_TYPE(&class_metatype_object) = &PyType_Type;
+          Py_SET_TYPE(&class_metatype_object, &PyType_Type);
           class_metatype_object.tp_base = &PyType_Type;
           if (PyType_Ready(&class_metatype_object))
               return type_handle();
@@ -375,11 +375,11 @@
               // there. A negative number indicates that the extra
               // instance memory is not yet allocated to any holders.
 #if PY_VERSION_HEX >= 0x02060000
-              Py_SIZE(result) =
+              Py_SET_SIZE(result,
 #else
-              result->ob_size =
+              result->ob_size = (
 #endif
-                  -(static_cast<int>(offsetof(instance<>,storage) + instance_size));
+                  -(static_cast<int>(offsetof(instance<>,storage) + instance_size)));
           }
           return (PyObject*)result;
       }
@@ -470,7 +470,7 @@
   {
       if (class_type_object.tp_dict == 0)
       {
-          Py_TYPE(&class_type_object) = incref(class_metatype().get());
+          Py_SET_TYPE(&class_type_object, incref(class_metatype().get()));
           class_type_object.tp_base = &PyBaseObject_Type;
           if (PyType_Ready(&class_type_object))
               return type_handle();
@@ -739,7 +739,7 @@
         assert(holder_offset >= offsetof(objects::instance<>,storage));
 
         // Record the fact that the storage is occupied, noting where it starts
-        Py_SIZE(self) = holder_offset;
+        Py_SET_SIZE(self, holder_offset);
         return (char*)self + holder_offset;
     }
     else
--- boost_1_73_0/libs/python/src/object/life_support.cpp~	2020-11-13 23:37:19.240520980 +0000
+++ boost_1_73_0/libs/python/src/object/life_support.cpp	2020-11-13 23:39:37.492440504 +0000
@@ -93,7 +93,7 @@
     
     if (Py_TYPE(&life_support_type) == 0)
     {
-        Py_TYPE(&life_support_type) = &PyType_Type;
+        Py_SET_TYPE(&life_support_type, &PyType_Type);
         PyType_Ready(&life_support_type);
     }
     
--- boost_1_73_0/libs/python/src/object/function.cpp~	2020-11-13 23:37:19.244520978 +0000
+++ boost_1_73_0/libs/python/src/object/function.cpp	2020-11-13 23:39:14.260454029 +0000
@@ -107,7 +107,7 @@
     PyObject* p = this;
     if (Py_TYPE(&function_type) == 0)
     {
-        Py_TYPE(&function_type) = &PyType_Type;
+        Py_SET_TYPE(&function_type, &PyType_Type);
         ::PyType_Ready(&function_type);
     }
     
--- boost_1_73_0/libs/python/src/object/enum.cpp~	2020-11-13 23:37:19.248520976 +0000
+++ boost_1_73_0/libs/python/src/object/enum.cpp	2020-11-13 23:38:51.943467016 +0000
@@ -153,7 +153,7 @@
   {
       if (enum_type_object.tp_dict == 0)
       {
-          Py_TYPE(&enum_type_object) = incref(&PyType_Type);
+          Py_SET_TYPE(&enum_type_object, incref(&PyType_Type));
 #if PY_VERSION_HEX >= 0x03000000
           enum_type_object.tp_base = &PyLong_Type;
 #else
--- boost_1_73_0/boost/python/object/make_instance.hpp~	2020-11-14 00:26:47.356724835 +0000
+++ boost_1_73_0/boost/python/object/make_instance.hpp	2020-11-14 00:26:49.947723159 +0000
@@ -47,7 +47,7 @@
               
             // Note the position of the internally-stored Holder,
             // for the sake of destruction
-            Py_SIZE(instance) = offsetof(instance_t, storage);
+            Py_SET_SIZE(instance, offsetof(instance_t, storage));
 
             // Release ownership of the python object
             protect.cancel();