Set a max version for scikit-learn to avoid undesired breaking changes

Author: Thierry RAMORASOAVINA

doc/requirements.txt

@@ -5,5 +5,5 @@ nbconvert==6.4.4
 nbformat==5.3.0
 numpydoc>=1.5.0
 pandas>=0.25.3
-scikit-learn>=0.22.2
+scikit-learn>=0.22.2,<=1.7.2
 sphinx-copybutton>=0.5.0

pyproject.toml

@@ -105,7 +105,9 @@ classifiers = [
 requires-python = ">=3.8"
 dependencies = [
     "pandas>=0.25.3",
-    "scikit-learn>=0.22.2",
+    # do not necessarily use the latest version, to avoid undesired breaking
+    # changes
+    "scikit-learn>=0.22.2,<=1.7.2",
 ]
 
 [project.urls]