update ClassesObjects-Singleton

rambasnet · rambasnet · commit 926565011d2a · 2026-03-26T19:32:45.000Z
diff --git a/notebooks/ClassesObjects-Singleton.ipynb b/notebooks/ClassesObjects-Singleton.ipynb
@@ -644,7 +644,9 @@
     "- `@property` makes a method getter\n",
     "- `@<method_name>.setter` makes it a setter method\n",
     "- `@<method_name>.deleter` deletes an attribute\n",
-    "    - use `del object.attribute` to delete an attribute"
+    "    - use `del object.attribute` to delete an attribute\n",
+    "- for mypy, we must declare getter and setter methods in the order of getter, setter, and deleter\n",
+    "    - mypy treats the getter, setter, and deleter as a single property, so they must be defined in that order together"
    ]
   },
   {

Original file line number	Diff line number	Diff line change
`@@ -644,7 +644,9 @@`
`644`	`644`	"- `@property` makes a method getter\n",
`645`	`645`	"- `@<method_name>.setter` makes it a setter method\n",
`646`	`646`	"- `@<method_name>.deleter` deletes an attribute\n",
`647`		- " - use `del object.attribute` to delete an attribute"
	`647`	+ " - use `del object.attribute` to delete an attribute\n",
	`648`	`+ "- for mypy, we must declare getter and setter methods in the order of getter, setter, and deleter\n",`
	`649`	`+ " - mypy treats the getter, setter, and deleter as a single property, so they must be defined in that order together"`
`648`	`650`	`]`
`649`	`651`	`},`
`650`	`652`	`{`