Docs: Add missing class instantiation to cheat sheet (#16817)

atarv · web-flow · commit 3838bff555de · 2024-01-25T05:24:09.000-08:00
diff --git a/docs/source/cheat_sheet_py3.rst b/docs/source/cheat_sheet_py3.rst
@@ -209,6 +209,7 @@ Classes
        # This will allow access to any A.x, if x is compatible with the return type
        def __getattr__(self, name: str) -> int: ...
 
+   a = A()
    a.foo = 42  # Works
    a.bar = 'Ex-parrot'  # Fails type checking
 
