diff --git a/userland/libs/python_embed/pure.c b/userland/libs/python_embed/pure.c
index 672ec32..377701c 100644
--- a/userland/libs/python_embed/pure.c
+++ b/userland/libs/python_embed/pure.c
@@ -254,13 +254,16 @@ my_native_module_MyDerivedNativeClass_init(my_native_module_MyDerivedNativeClass
 {
     static char *kwlist[] = {"first", "last", "number", "first2", "last2", "number2", NULL};
     PyObject *first = NULL, *last = NULL, *first2 = NULL, *last2 = NULL, *tmp;
-    int number;
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OOiOOi", kwlist,
-            &first, &last, &number, &first2, &last2, &self->number2))
+    int ret;
+    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OOOOOi", kwlist,
+            &first, &last, &tmp, &first2, &last2, &self->number2))
         return -1;
-    /* Call parent class constructor. TODO learn how to remove the
-     * "*2" args that are consumed by this constructor.. */
-    if (my_native_module_MyNativeClassType.tp_init((PyObject *) self, args, kwds) < 0)
+    /* args is a PyTuple, extract the first 3 arguments into a new
+     * tuple to serve as arguments of the base class. */
+    PyObject *base_args = PySequence_GetSlice(args, 0, 3);
+    ret = my_native_module_MyNativeClassType.tp_init((PyObject *) self, base_args, kwds);
+    Py_DECREF(base_args);
+    if (ret < 0)
         return -1;
     if (first2) {
         tmp = self->first2;
@@ -306,7 +309,8 @@ my_native_module_MyDerivedNativeClass_name2(my_native_module_MyDerivedNativeClas
         PyErr_SetString(PyExc_AttributeError, "last2");
         return NULL;
     }
-    return PyUnicode_FromFormat("%S %S %S %S", self->base.first, self->base.last, self->first2, self->last2);
+    return PyUnicode_FromFormat("%S %S %S %S",
+        self->base.first, self->base.last, self->first2, self->last2);
 }
 
 static PyMethodDef my_native_module_MyDerivedNativeClass_methods[] = {
diff --git a/userland/libs/python_embed/pure.py b/userland/libs/python_embed/pure.py
index a110ba6..82e5fac 100644
--- a/userland/libs/python_embed/pure.py
+++ b/userland/libs/python_embed/pure.py
@@ -23,7 +23,7 @@ def test_native_class():
     my_native_object.first = 'ih'
     assert my_native_object.name() == 'ih '
 
-    # TODO see TODO in pure.c.
-    #my_derived_native_object = my_native_module.MyDerivedNativeClass('ab', 'cd', 13, 'ef', 'gh', 21)
-    #print(my_derived_native_object.name2())
+    my_derived_native_object = my_native_module.MyDerivedNativeClass('ab', 'cd', 13, 'ef', 'gh', 21)
+    assert my_derived_native_object.name() == 'ab cd'
+    assert my_derived_native_object.name2() == 'ab cd ef gh'
     return 13
diff --git a/userland/libs/python_embed/pure_cpp.cpp b/userland/libs/python_embed/pure_cpp.cpp
index 887e375..2828f83 100644
--- a/userland/libs/python_embed/pure_cpp.cpp
+++ b/userland/libs/python_embed/pure_cpp.cpp
@@ -137,12 +137,12 @@ my_native_module_MyNativeClass_init(my_native_module_MyNativeClass *self, PyObje
 }
 
 static PyMemberDef my_native_module_MyNativeClass_members[] = {
-    {"first", T_OBJECT_EX, offsetof(my_native_module_MyNativeClass, first), 0,
-     "first name"},
-    {"last", T_OBJECT_EX, offsetof(my_native_module_MyNativeClass, last), 0,
-     "last name"},
-    {"number", T_INT, offsetof(my_native_module_MyNativeClass, number), 0,
-     "custom number"},
+    {(char*)"first", T_OBJECT_EX, offsetof(my_native_module_MyNativeClass, first), 0,
+     (char*)"first name"},
+    {(char*)"last", T_OBJECT_EX, offsetof(my_native_module_MyNativeClass, last), 0,
+     (char*)"last name"},
+    {(char*)"number", T_INT, offsetof(my_native_module_MyNativeClass, number), 0,
+     (char*)"custom number"},
     {NULL}
 };
 
@@ -232,13 +232,16 @@ my_native_module_MyDerivedNativeClass_init(my_native_module_MyDerivedNativeClass
 {
     static const char *kwlist[] = {"first", "last", "number", "first2", "last2", "number2", NULL};
     PyObject *first = NULL, *last = NULL, *first2 = NULL, *last2 = NULL, *tmp;
-    int number;
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OOiOOi", (char**)kwlist,
-            &first, &last, &number, &first2, &last2, &self->number2))
+    int ret;
+    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OOOOOi", (char**)kwlist,
+            &first, &last, &tmp, &first2, &last2, &self->number2))
         return -1;
-    /* Call parent class constructor. TODO learn how to remove the
-     * "*2" args that are consumed by this constructor.. */
-    if (my_native_module_MyNativeClassType.tp_init((PyObject *) self, args, kwds) < 0)
+    /* args is a PyTuple, extract the first 3 arguments into a new
+     * tuple to serve as arguments of the base class. */
+    PyObject *base_args = PySequence_GetSlice(args, 0, 3);
+    ret = my_native_module_MyNativeClassType.tp_init((PyObject *) self, base_args, kwds);
+    Py_DECREF(base_args);
+    if (ret < 0)
         return -1;
     if (first2) {
         tmp = self->first2;
@@ -256,12 +259,12 @@ my_native_module_MyDerivedNativeClass_init(my_native_module_MyDerivedNativeClass
 }
 
 static PyMemberDef my_native_module_MyDerivedNativeClass_members[] = {
-    {"first2", T_OBJECT_EX, offsetof(my_native_module_MyDerivedNativeClass, first2), 0,
-     "first2 name2"},
-    {"last2", T_OBJECT_EX, offsetof(my_native_module_MyDerivedNativeClass, last2), 0,
-     "last2 name2"},
-    {"number2", T_INT, offsetof(my_native_module_MyDerivedNativeClass, number2), 0,
-     "custom number2"},
+    {(char*)"first2", T_OBJECT_EX, offsetof(my_native_module_MyDerivedNativeClass, first2), 0,
+     (char*)"first2 name2"},
+    {(char*)"last2", T_OBJECT_EX, offsetof(my_native_module_MyDerivedNativeClass, last2), 0,
+     (char*)"last2 name2"},
+    {(char*)"number2", T_INT, offsetof(my_native_module_MyDerivedNativeClass, number2), 0,
+     (char*)"custom number2"},
     {NULL}
 };