Run Ruff on `doc/usage/extensions/`

doc/usage/extensions/example_google.py

@@ -121,7 +121,8 @@ def module_level_function(param1, param2=None, *args, **kwargs):
 
     """
     if param1 == param2:
-        raise ValueError('param1 may not be equal to param2')
+        msg = 'param1 may not be equal to param2'
+        raise ValueError(msg)
     return True
 
 
@@ -235,7 +236,7 @@ class ExampleClass:
 
     @readwrite_property.setter
     def readwrite_property(self, value):
-        value
+        _ = value
 
     def example_method(self, param1, param2):
         """Class methods are similar to regular functions.

doc/usage/extensions/example_numpy.py

@@ -154,7 +154,8 @@ def module_level_function(param1, param2=None, *args, **kwargs):
 
     """
     if param1 == param2:
-        raise ValueError('param1 may not be equal to param2')
+        msg = 'param1 may not be equal to param2'
+        raise ValueError(msg)
     return True
 
 
@@ -288,7 +289,7 @@ class ExampleClass:
 
     @readwrite_property.setter
     def readwrite_property(self, value):
-        value
+        _ = value
 
     def example_method(self, param1, param2):
         """Class methods are similar to regular functions.