DOC fix a sphinx warning and a rendering issue (#28315)

Charlie-XIAO · web-flow · commit a3f8e6debd91 · 2024-01-31T09:20:28.000+01:00
diff --git a/doc/roadmap.rst b/doc/roadmap.rst
@@ -1,4 +1,4 @@
-﻿.. |ss| raw:: html
+.. |ss| raw:: html
 
    <strike>
 
diff --git a/sklearn/utils/validation.py b/sklearn/utils/validation.py
@@ -1579,6 +1579,7 @@ def check_is_fitted(estimator, attributes=None, *, msg=None, all_or_any=all):
 
     NotFittedError
         If the attributes are not found.
+
     Examples
     --------
     >>> from sklearn.linear_model import LogisticRegression
