decref the type

Author: koubaa

Modules/_blake2/blake2b_impl.c

@@ -391,6 +391,9 @@ py_blake2b_dealloc(PyObject *self)
         PyThread_free_lock(obj->lock);
         obj->lock = NULL;
     }
+    PyTypeObject *tp = Py_TYPE(self);
+    Py_DECREF(tp);
+
     PyObject_Del(self);
 }
 

Modules/_blake2/blake2s_impl.c

@@ -390,6 +390,10 @@ py_blake2s_dealloc(PyObject *self)
         PyThread_free_lock(obj->lock);
         obj->lock = NULL;
     }
+
+    PyTypeObject *tp = Py_TYPE(self);
+    Py_DECREF(tp);
+
     PyObject_Del(self);
 }