Change handling precision (#361)

* precision

* Automated changes

* Automated changes

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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: linogaliana

content/course/modelisation/0_preprocessing/index.qmd

@@ -336,7 +336,7 @@ df2 = votes.set_index("GEOID").loc[: , ["winner", "votes_gop",
 g1 = sns.heatmap(df2.drop("winner", axis = 1).corr(), cmap='coolwarm', annot=True, fmt=".2f")
 
 ## Construction directement avec pandas également possible
-g2 = df2.drop("winner", axis = 1).corr().style.background_gradient(cmap='coolwarm').set_precision(2)
+g2 = df2.drop("winner", axis = 1).corr().style.background_gradient(cmap='coolwarm').format('{:.2f}')
 ```
 
 La matrice construite avec `seaborn` (question 2) aura l'aspect suivant: