[MAINT] fix warnings in doc build

docs/tools/conf.py

@@ -2,12 +2,25 @@
 import os
 import shutil
 import sys
+import warnings
 
 import matplotlib
 
 from hidimstat import __version__
 
 
+def _reset_warning_filters(_gallery_conf, _fname):
+    """Suppress sklearn FutureWarnings before each gallery example.
+
+    TODO: remove when minimum sklearn is bumped to >= 1.7.
+    """
+    warnings.filterwarnings("ignore", category=FutureWarning)
+
+
+# Passing a function to reset the warning makes the config unpickable
+suppress_warnings = ["config.cache"]
+
+
 def linkcode_resolve(domain, info):
     """Determine the URL corresponding lines of code in the GitHub repository."""
     if domain != "py":
@@ -190,6 +203,7 @@ def linkcode_resolve(domain, info):
     "backreferences_dir": "./generated/gallery/backreference/",
     "parallel": False,
     "show_memory": True,  # can't show memory if it's in parallel
+    "reset_modules": ("matplotlib", "seaborn", _reset_warning_filters),
     "reference_url": {
         # The module we locally document (so, hidimstat) uses None
         "hidimstat": None,

pyproject.toml

@@ -39,7 +39,7 @@ dependencies = [
     "joblib       >= 1.2.0, < 2",
     "numpy        >= 1.25,  < 3",
     "pandas       >= 2.2,   < 3",
-    "scikit-learn >= 1.5,   < 1.9",
+    "scikit-learn >= 1.6,   < 1.9",
     "scipy        >= 1.9.2, < 2",
     "tqdm         >= 4.1.0, < 5",
 ]