diff --git a/tests/unit_tests/explainer/test_smart_plotter.py b/tests/unit_tests/explainer/test_smart_plotter.py
index a12abe4a..aeb799f3 100644
--- a/tests/unit_tests/explainer/test_smart_plotter.py
+++ b/tests/unit_tests/explainer/test_smart_plotter.py
@@ -17,6 +17,7 @@
 from shapash.backend import ShapBackend
 from shapash.explainer.multi_decorator import MultiDecorator
 from shapash.explainer.smart_state import SmartState
+from shapash.plots.plot_bar_chart import plot_bar_chart
 from shapash.plots.plot_feature_importance import _plot_features_import
 from shapash.plots.plot_line_comparison import plot_line_comparison
 from shapash.style.style_utils import get_palette
@@ -661,7 +662,7 @@ def test_plot_bar_chart_1(self):
             )
         expected_output_fig = go.Figure(data=bars, layout=go.Layout(yaxis=dict(type="category")))
         self.smart_explainer._case = "regression"
-        fig_output = self.smart_explainer.plot._plot_bar_chart("ind", var_dict, x_val, contributions)
+        fig_output = plot_bar_chart("ind", var_dict, x_val, contributions)
         for part in list(zip(fig_output.data, expected_output_fig.data)):
             assert part[0].x == part[1].x
             assert part[0].y == part[1].y
@@ -684,7 +685,7 @@ def test_plot_bar_chart_2(self):
         expected_output_fig = go.Figure(data=bars, layout=go.Layout(yaxis=dict(type="category")))
 
         self.smart_explainer._case = "regression"
-        fig_output = self.smart_explainer.plot._plot_bar_chart("ind", var_dict, x_val, contributions)
+        fig_output = plot_bar_chart("ind", var_dict, x_val, contributions)
         for part in list(zip(fig_output.data, expected_output_fig.data)):
             assert part[0].x == part[1].x
             assert part[0].y == part[1].y