diff --git a/notes_tools/tools/marks_plottings.py b/notes_tools/tools/marks_plottings.py
index e3e7d22..f9d92f9 100644
--- a/notes_tools/tools/marks_plottings.py
+++ b/notes_tools/tools/marks_plottings.py
@@ -5,6 +5,8 @@ from .plottings import radar_graph
 import pandas as pd
 import numpy as np
 
+__all__ = ["radar_on", "marks_hist", "parallele_on"]
+
 def radar_on(df, index, optimum = None):
     """ Plot the radar graph concerning index column of the df