@@ -458,6 +458,7 @@ inline PyObject *get_annotations(PyObject *clz)
         // from annotationlib import get_annotations
         PyObject *annotationlib = PyImport_ImportModule("annotationlib");
         get_annotations = PyObject_GetAttrString(annotationlib, "get_annotations");
+        Py_INCREF(get_annotations);
         Py_DECREF(annotationlib);
     }
     return PyObject_CallFunctionObjArgs(get_annotations, clz, NULL);
@@ -519,21 +520,20 @@ inline PyObject *parse_class(PyObject *kwargs, TypeTreeNodeObject *node, TypeTre
     extras = PyDict_New();
     for (int i = 0; i < PyList_GET_SIZE(node->m_Children); i++)
     {
-        TypeTreeNodeObject *child = (TypeTreeNodeObject *)PyList_GET_ITEM(node->m_Children, i);
+        TypeTreeNodeObject *child = (TypeTreeNodeObject *)PyList_GET_ITEM(node->m_Children, i); // - borrowed ref +/- 0
         if (PyDict_Contains(annotations, child->_clean_name) == 1)
         {
             continue;
         }
-        PyObject *extra_value = PyDict_GetItem(kwargs, child->_clean_name); // +1
+        PyObject *extra_value = PyDict_GetItem(kwargs, child->_clean_name); // - borrowed ref +/- 0
         PyDict_SetItem(extras, child->_clean_name, extra_value);            // +1
         PyDict_DelItem(kwargs, child->_clean_name);                         // -1
-        //Py_DECREF(extra_value);                                             // -1
     }
 
     if (PyDict_Size(extras) == 0)
     {
-        Py_DECREF(clz);
-        clz = PyObject_GetAttrString(config->classes, "UnknownObject");
+        Py_DECREF(clz);                                                 // 1->0
+        clz = PyObject_GetAttrString(config->classes, "UnknownObject"); // 0->1
         PyDict_SetItemString(kwargs, "__node__", node->m_Type);
     }
 
@@ -754,6 +754,7 @@ PyObject *read_typetree_value(ReaderT *reader, TypeTreeNodeObject *node, TypeTre
                 }
                 else if (ref_node == (TypeTreeNodeObject *)Py_None)
                 {
+                    Py_DECREF(ref_node);
                     continue;
                 }
                 child_value = read_typetree_value<swap>(reader, ref_node, config);
@@ -763,6 +764,7 @@ PyObject *read_typetree_value(ReaderT *reader, TypeTreeNodeObject *node, TypeTre
             {
                 child_value = read_typetree_value<swap>(reader, child, config);
             }
+            
             if (!child_value)
             {
                 Py_DECREF(value);
Original file line number	Diff line number	Diff line change
`@@ -458,6 +458,7 @@ inline PyObject get_annotations(PyObject clz)`
`458`	`458`	`// from annotationlib import get_annotations`
`459`	`459`	`PyObject *annotationlib = PyImport_ImportModule("annotationlib");`
`460`	`460`	`get_annotations = PyObject_GetAttrString(annotationlib, "get_annotations");`
	`461`	`+ Py_INCREF(get_annotations);`
`461`	`462`	`Py_DECREF(annotationlib);`
`462`	`463`	`}`
`463`	`464`	`return PyObject_CallFunctionObjArgs(get_annotations, clz, NULL);`
`@@ -519,21 +520,20 @@ inline PyObject parse_class(PyObject kwargs, TypeTreeNodeObject *node, TypeTre`
`519`	`520`	`extras = PyDict_New();`
`520`	`521`	`for (int i = 0; i < PyList_GET_SIZE(node->m_Children); i++)`
`521`	`522`	`{`
`522`		`- TypeTreeNodeObject child = (TypeTreeNodeObject )PyList_GET_ITEM(node->m_Children, i);`
	`523`	`+ TypeTreeNodeObject child = (TypeTreeNodeObject )PyList_GET_ITEM(node->m_Children, i); // - borrowed ref +/- 0`
`523`	`524`	`if (PyDict_Contains(annotations, child->_clean_name) == 1)`
`524`	`525`	`{`
`525`	`526`	`continue;`
`526`	`527`	`}`
`527`		`- PyObject *extra_value = PyDict_GetItem(kwargs, child->_clean_name); // +1`
	`528`	`+ PyObject *extra_value = PyDict_GetItem(kwargs, child->_clean_name); // - borrowed ref +/- 0`
`528`	`529`	`PyDict_SetItem(extras, child->_clean_name, extra_value); // +1`
`529`	`530`	`PyDict_DelItem(kwargs, child->_clean_name); // -1`
`530`		`- //Py_DECREF(extra_value); // -1`
`531`	`531`	`}`
`532`	`532`
`533`	`533`	`if (PyDict_Size(extras) == 0)`
`534`	`534`	`{`
`535`		`- Py_DECREF(clz);`
`536`		`- clz = PyObject_GetAttrString(config->classes, "UnknownObject");`
	`535`	`+ Py_DECREF(clz); // 1->0`
	`536`	`+ clz = PyObject_GetAttrString(config->classes, "UnknownObject"); // 0->1`
`537`	`537`	`PyDict_SetItemString(kwargs, "__node__", node->m_Type);`
`538`	`538`	`}`
`539`	`539`
`@@ -754,6 +754,7 @@ PyObject read_typetree_value(ReaderT reader, TypeTreeNodeObject *node, TypeTre`
`754`	`754`	`}`
`755`	`755`	`else if (ref_node == (TypeTreeNodeObject *)Py_None)`
`756`	`756`	`{`
	`757`	`+ Py_DECREF(ref_node);`
`757`	`758`	`continue;`
`758`	`759`	`}`
`759`	`760`	`child_value = read_typetree_value<swap>(reader, ref_node, config);`
`@@ -763,6 +764,7 @@ PyObject read_typetree_value(ReaderT reader, TypeTreeNodeObject *node, TypeTre`
`763`	`764`	`{`
`764`	`765`	`child_value = read_typetree_value<swap>(reader, child, config);`
`765`	`766`	`}`
	`767`	`+`
`766`	`768`	`if (!child_value)`
`767`	`769`	`{`
`768`	`770`	`Py_DECREF(value);`