diff --git a/_unittests/ut_xrun_doc/test_documentation_examples.py b/_unittests/ut_xrun_doc/test_documentation_examples.py
index 6d14d30e..681f6384 100644
--- a/_unittests/ut_xrun_doc/test_documentation_examples.py
+++ b/_unittests/ut_xrun_doc/test_documentation_examples.py
@@ -4,11 +4,11 @@
 import importlib
 import subprocess
 import time
-from mlstatpy import __file__ as teachpyx_file
+from mlstatpy import __file__ as mlstatpy_file
 from mlstatpy.ext_test_case import ExtTestCase
 
 VERBOSE = 0
-ROOT = os.path.realpath(os.path.abspath(os.path.join(teachpyx_file, "..", "..")))
+ROOT = os.path.realpath(os.path.abspath(os.path.join(mlstatpy_file, "..", "..")))
 
 
 def import_source(module_file_path, module_name):
diff --git a/_unittests/ut_xrun_doc/test_documentation_notebook.py b/_unittests/ut_xrun_doc/test_documentation_notebook.py
index a9c45e8d..0390efd4 100644
--- a/_unittests/ut_xrun_doc/test_documentation_notebook.py
+++ b/_unittests/ut_xrun_doc/test_documentation_notebook.py
@@ -6,11 +6,11 @@
 import time
 import warnings
 from nbconvert import PythonExporter
-from mlstatpy import __file__ as teachpyx_file
+from mlstatpy import __file__ as mlstatpy_file
 from mlstatpy.ext_test_case import ExtTestCase
 
 VERBOSE = 0
-ROOT = os.path.realpath(os.path.abspath(os.path.join(teachpyx_file, "..", "..")))
+ROOT = os.path.realpath(os.path.abspath(os.path.join(mlstatpy_file, "..", "..")))
 
 
 def import_source(module_file_path, module_name):
diff --git a/_unittests/ut_xrun_doc/test_measure_time.py b/_unittests/ut_xrun_doc/test_measure_time.py
index d50876a0..84a4cfc9 100644
--- a/_unittests/ut_xrun_doc/test_measure_time.py
+++ b/_unittests/ut_xrun_doc/test_measure_time.py
@@ -1,6 +1,6 @@
 import unittest
 from math import cos
-from teachpyx.ext_test_case import ExtTestCase, measure_time
+from mlstatpy.ext_test_case import ExtTestCase, measure_time
 
 
 class TestMeasureTime(ExtTestCase):
diff --git a/_unittests/ut_xrun_doc/test_normalize_notebook.py b/_unittests/ut_xrun_doc/test_normalize_notebook.py
index e508839a..ab14b9d3 100644
--- a/_unittests/ut_xrun_doc/test_normalize_notebook.py
+++ b/_unittests/ut_xrun_doc/test_normalize_notebook.py
@@ -3,11 +3,11 @@
 import pprint
 from nbformat import reader, writes
 from nbformat.validator import normalize
-from teachpyx import __file__ as teachpyx_file
-from teachpyx.ext_test_case import ExtTestCase
+from mlstatpy import __file__ as mlstatpy_file
+from mlstatpy.ext_test_case import ExtTestCase
 
 VERBOSE = 0
-ROOT = os.path.realpath(os.path.abspath(os.path.join(teachpyx_file, "..", "..")))
+ROOT = os.path.realpath(os.path.abspath(os.path.join(mlstatpy_file, "..", "..")))
 
 
 class TestDocumentationNotebook(ExtTestCase):