Update pylint/checkers/variables.py

Co-authored-by: Pierre Sassoulas <pierre.sassoulas@gmail.com>

Author: cdce8p

pylint/checkers/variables.py

@@ -686,6 +686,8 @@ def _inferred_to_define_name_raise_or_return(
             case nodes.If():
                 pass
             case _:  # pragma: no cover
+                # The function is only called for Try, With, For, While, Match and 
+                # If nodes. All of which are being handled above.
                 return False
 
         # Be permissive if there is a break or a continue