diff --git a/python/doc/examples/meta_modeling/polynomial_chaos_metamodel/plot_chaos_sobol_confidence.py b/python/doc/examples/meta_modeling/polynomial_chaos_metamodel/plot_chaos_sobol_confidence.py
index 51507986da..1557c63aef 100644
--- a/python/doc/examples/meta_modeling/polynomial_chaos_metamodel/plot_chaos_sobol_confidence.py
+++ b/python/doc/examples/meta_modeling/polynomial_chaos_metamodel/plot_chaos_sobol_confidence.py
@@ -57,6 +57,7 @@
 
 # %%
 
+
 def computeSparseLeastSquaresChaos(X, Y, basis, total_degree, distribution):
     """
     Create a sparse polynomial chaos with least squares.