diff --git a/packages/jsii-pacmak/lib/targets/python.ts b/packages/jsii-pacmak/lib/targets/python.ts
index e8eeaa5f85..2d891bb0a7 100644
--- a/packages/jsii-pacmak/lib/targets/python.ts
+++ b/packages/jsii-pacmak/lib/targets/python.ts
@@ -633,7 +633,7 @@ abstract class BaseProperty implements PythonBase {
       if (renderAbstract && this.abstract) {
         code.line('@abc.abstractmethod');
       }
-      code.openBlock(`def ${this.pythonName}(${this.implicitParameter}, value: ${pythonType})`);
+      code.openBlock(`def ${this.pythonName}(${this.implicitParameter}, value: ${pythonType}) -> None`);
       if ((this.shouldEmitBody || forceEmitBody) && (!renderAbstract || !this.abstract)) {
         code.line(`jsii.${this.jsiiSetMethod}(${this.implicitParameter}, "${this.jsName}", value)`);
       } else {
diff --git a/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/__init__.py b/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/__init__.py
index 6695b6484e..0da85d9508 100644
--- a/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/__init__.py
+++ b/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/__init__.py
@@ -161,7 +161,7 @@ def _property(self) -> str:
 
     @_property.setter
     @abc.abstractmethod
-    def _property(self, value: str):
+    def _property(self, value: str) -> None:
         ...
 
 
@@ -186,7 +186,7 @@ def _property(self) -> str:
         return jsii.get(self, "property")
 
     @_property.setter
-    def _property(self, value: str):
+    def _property(self, value: str) -> None:
         jsii.set(self, "property", value)
 
 
@@ -249,7 +249,7 @@ def any_array_property(self) -> typing.List[typing.Any]:
         return jsii.get(self, "anyArrayProperty")
 
     @any_array_property.setter
-    def any_array_property(self, value: typing.List[typing.Any]):
+    def any_array_property(self, value: typing.List[typing.Any]) -> None:
         jsii.set(self, "anyArrayProperty", value)
 
     @builtins.property
@@ -262,7 +262,7 @@ def any_map_property(self) -> typing.Mapping[str, typing.Any]:
         return jsii.get(self, "anyMapProperty")
 
     @any_map_property.setter
-    def any_map_property(self, value: typing.Mapping[str, typing.Any]):
+    def any_map_property(self, value: typing.Mapping[str, typing.Any]) -> None:
         jsii.set(self, "anyMapProperty", value)
 
     @builtins.property
@@ -275,7 +275,7 @@ def any_property(self) -> typing.Any:
         return jsii.get(self, "anyProperty")
 
     @any_property.setter
-    def any_property(self, value: typing.Any):
+    def any_property(self, value: typing.Any) -> None:
         jsii.set(self, "anyProperty", value)
 
     @builtins.property
@@ -288,7 +288,7 @@ def array_property(self) -> typing.List[str]:
         return jsii.get(self, "arrayProperty")
 
     @array_property.setter
-    def array_property(self, value: typing.List[str]):
+    def array_property(self, value: typing.List[str]) -> None:
         jsii.set(self, "arrayProperty", value)
 
     @builtins.property
@@ -301,7 +301,7 @@ def boolean_property(self) -> bool:
         return jsii.get(self, "booleanProperty")
 
     @boolean_property.setter
-    def boolean_property(self, value: bool):
+    def boolean_property(self, value: bool) -> None:
         jsii.set(self, "booleanProperty", value)
 
     @builtins.property
@@ -314,7 +314,7 @@ def date_property(self) -> datetime.datetime:
         return jsii.get(self, "dateProperty")
 
     @date_property.setter
-    def date_property(self, value: datetime.datetime):
+    def date_property(self, value: datetime.datetime) -> None:
         jsii.set(self, "dateProperty", value)
 
     @builtins.property
@@ -327,7 +327,7 @@ def enum_property(self) -> "AllTypesEnum":
         return jsii.get(self, "enumProperty")
 
     @enum_property.setter
-    def enum_property(self, value: "AllTypesEnum"):
+    def enum_property(self, value: "AllTypesEnum") -> None:
         jsii.set(self, "enumProperty", value)
 
     @builtins.property
@@ -340,7 +340,7 @@ def json_property(self) -> typing.Mapping[typing.Any, typing.Any]:
         return jsii.get(self, "jsonProperty")
 
     @json_property.setter
-    def json_property(self, value: typing.Mapping[typing.Any, typing.Any]):
+    def json_property(self, value: typing.Mapping[typing.Any, typing.Any]) -> None:
         jsii.set(self, "jsonProperty", value)
 
     @builtins.property
@@ -353,7 +353,7 @@ def map_property(self) -> typing.Mapping[str, scope.jsii_calc_lib.Number]:
         return jsii.get(self, "mapProperty")
 
     @map_property.setter
-    def map_property(self, value: typing.Mapping[str, scope.jsii_calc_lib.Number]):
+    def map_property(self, value: typing.Mapping[str, scope.jsii_calc_lib.Number]) -> None:
         jsii.set(self, "mapProperty", value)
 
     @builtins.property
@@ -366,7 +366,7 @@ def number_property(self) -> jsii.Number:
         return jsii.get(self, "numberProperty")
 
     @number_property.setter
-    def number_property(self, value: jsii.Number):
+    def number_property(self, value: jsii.Number) -> None:
         jsii.set(self, "numberProperty", value)
 
     @builtins.property
@@ -379,7 +379,7 @@ def string_property(self) -> str:
         return jsii.get(self, "stringProperty")
 
     @string_property.setter
-    def string_property(self, value: str):
+    def string_property(self, value: str) -> None:
         jsii.set(self, "stringProperty", value)
 
     @builtins.property
@@ -392,7 +392,7 @@ def union_array_property(self) -> typing.List[typing.Union[jsii.Number, scope.js
         return jsii.get(self, "unionArrayProperty")
 
     @union_array_property.setter
-    def union_array_property(self, value: typing.List[typing.Union[jsii.Number, scope.jsii_calc_lib.Value]]):
+    def union_array_property(self, value: typing.List[typing.Union[jsii.Number, scope.jsii_calc_lib.Value]]) -> None:
         jsii.set(self, "unionArrayProperty", value)
 
     @builtins.property
@@ -405,7 +405,7 @@ def union_map_property(self) -> typing.Mapping[str, typing.Union[str, jsii.Numbe
         return jsii.get(self, "unionMapProperty")
 
     @union_map_property.setter
-    def union_map_property(self, value: typing.Mapping[str, typing.Union[str, jsii.Number, scope.jsii_calc_lib.Number]]):
+    def union_map_property(self, value: typing.Mapping[str, typing.Union[str, jsii.Number, scope.jsii_calc_lib.Number]]) -> None:
         jsii.set(self, "unionMapProperty", value)
 
     @builtins.property
@@ -418,7 +418,7 @@ def union_property(self) -> typing.Union[str, jsii.Number, "Multiply", scope.jsi
         return jsii.get(self, "unionProperty")
 
     @union_property.setter
-    def union_property(self, value: typing.Union[str, jsii.Number, "Multiply", scope.jsii_calc_lib.Number]):
+    def union_property(self, value: typing.Union[str, jsii.Number, "Multiply", scope.jsii_calc_lib.Number]) -> None:
         jsii.set(self, "unionProperty", value)
 
     @builtins.property
@@ -431,7 +431,7 @@ def unknown_array_property(self) -> typing.List[typing.Any]:
         return jsii.get(self, "unknownArrayProperty")
 
     @unknown_array_property.setter
-    def unknown_array_property(self, value: typing.List[typing.Any]):
+    def unknown_array_property(self, value: typing.List[typing.Any]) -> None:
         jsii.set(self, "unknownArrayProperty", value)
 
     @builtins.property
@@ -444,7 +444,7 @@ def unknown_map_property(self) -> typing.Mapping[str, typing.Any]:
         return jsii.get(self, "unknownMapProperty")
 
     @unknown_map_property.setter
-    def unknown_map_property(self, value: typing.Mapping[str, typing.Any]):
+    def unknown_map_property(self, value: typing.Mapping[str, typing.Any]) -> None:
         jsii.set(self, "unknownMapProperty", value)
 
     @builtins.property
@@ -457,7 +457,7 @@ def unknown_property(self) -> typing.Any:
         return jsii.get(self, "unknownProperty")
 
     @unknown_property.setter
-    def unknown_property(self, value: typing.Any):
+    def unknown_property(self, value: typing.Any) -> None:
         jsii.set(self, "unknownProperty", value)
 
     @builtins.property
@@ -470,7 +470,7 @@ def optional_enum_value(self) -> typing.Optional["StringEnum"]:
         return jsii.get(self, "optionalEnumValue")
 
     @optional_enum_value.setter
-    def optional_enum_value(self, value: typing.Optional["StringEnum"]):
+    def optional_enum_value(self, value: typing.Optional["StringEnum"]) -> None:
         jsii.set(self, "optionalEnumValue", value)
 
 
@@ -871,7 +871,7 @@ def curr(self) -> scope.jsii_calc_lib.Value:
         return jsii.get(self, "curr")
 
     @curr.setter
-    def curr(self, value: scope.jsii_calc_lib.Value):
+    def curr(self, value: scope.jsii_calc_lib.Value) -> None:
         jsii.set(self, "curr", value)
 
     @builtins.property
@@ -885,7 +885,7 @@ def max_value(self) -> typing.Optional[jsii.Number]:
         return jsii.get(self, "maxValue")
 
     @max_value.setter
-    def max_value(self, value: typing.Optional[jsii.Number]):
+    def max_value(self, value: typing.Optional[jsii.Number]) -> None:
         jsii.set(self, "maxValue", value)
 
     @builtins.property
@@ -899,7 +899,7 @@ def union_property(self) -> typing.Optional[typing.Union[typing.Optional["Add"],
         return jsii.get(self, "unionProperty")
 
     @union_property.setter
-    def union_property(self, value: typing.Optional[typing.Union[typing.Optional["Add"], typing.Optional["Multiply"], typing.Optional["Power"]]]):
+    def union_property(self, value: typing.Optional[typing.Union[typing.Optional["Add"], typing.Optional["Multiply"], typing.Optional["Power"]]]) -> None:
         jsii.set(self, "unionProperty", value)
 
 
@@ -998,7 +998,7 @@ def static_array(cls) -> typing.List[str]:
         return jsii.sget(cls, "staticArray")
 
     @static_array.setter
-    def static_array(cls, value: typing.List[str]):
+    def static_array(cls, value: typing.List[str]) -> None:
         jsii.sset(cls, "staticArray", value)
 
     @jsii.python.classproperty
@@ -1011,7 +1011,7 @@ def static_map(cls) -> typing.Mapping[str, str]:
         return jsii.sget(cls, "staticMap")
 
     @static_map.setter
-    def static_map(cls, value: typing.Mapping[str, str]):
+    def static_map(cls, value: typing.Mapping[str, str]) -> None:
         jsii.sset(cls, "staticMap", value)
 
     @builtins.property
@@ -1024,7 +1024,7 @@ def array(self) -> typing.List[str]:
         return jsii.get(self, "array")
 
     @array.setter
-    def array(self, value: typing.List[str]):
+    def array(self, value: typing.List[str]) -> None:
         jsii.set(self, "array", value)
 
     @builtins.property
@@ -1037,7 +1037,7 @@ def map(self) -> typing.Mapping[str, str]:
         return jsii.get(self, "map")
 
     @map.setter
-    def map(self, value: typing.Mapping[str, str]):
+    def map(self, value: typing.Mapping[str, str]) -> None:
         jsii.set(self, "map", value)
 
 
@@ -1113,7 +1113,7 @@ def mutable_object(self) -> "IMutableObjectLiteral":
         return jsii.get(self, "mutableObject")
 
     @mutable_object.setter
-    def mutable_object(self, value: "IMutableObjectLiteral"):
+    def mutable_object(self, value: "IMutableObjectLiteral") -> None:
         jsii.set(self, "mutableObject", value)
 
 
@@ -1153,7 +1153,7 @@ def union_property(self) -> typing.Optional[typing.Union[typing.Optional[scope.j
         return jsii.get(self, "unionProperty")
 
     @union_property.setter
-    def union_property(self, value: typing.Optional[typing.Union[typing.Optional[scope.jsii_calc_lib.IFriendly], typing.Optional[typing.List[typing.Union[scope.jsii_calc_lib.IFriendly, "AbstractClass"]]]]]):
+    def union_property(self, value: typing.Optional[typing.Union[typing.Optional[scope.jsii_calc_lib.IFriendly], typing.Optional[typing.List[typing.Union[scope.jsii_calc_lib.IFriendly, "AbstractClass"]]]]]) -> None:
         jsii.set(self, "unionProperty", value)
 
 
@@ -1634,7 +1634,7 @@ def mutable_property(self) -> typing.Optional[jsii.Number]:
         return jsii.get(self, "mutableProperty")
 
     @mutable_property.setter
-    def mutable_property(self, value: typing.Optional[jsii.Number]):
+    def mutable_property(self, value: typing.Optional[jsii.Number]) -> None:
         jsii.set(self, "mutableProperty", value)
 
 
@@ -2290,7 +2290,7 @@ def mutable_property(self) -> typing.Optional[jsii.Number]:
         return jsii.get(self, "mutableProperty")
 
     @mutable_property.setter
-    def mutable_property(self, value: typing.Optional[jsii.Number]):
+    def mutable_property(self, value: typing.Optional[jsii.Number]) -> None:
         jsii.set(self, "mutableProperty", value)
 
 
@@ -2459,7 +2459,7 @@ def mutable_property(self) -> typing.Optional[jsii.Number]:
         return jsii.get(self, "mutableProperty")
 
     @mutable_property.setter
-    def mutable_property(self, value: typing.Optional[jsii.Number]):
+    def mutable_property(self, value: typing.Optional[jsii.Number]) -> None:
         jsii.set(self, "mutableProperty", value)
 
 
@@ -2775,7 +2775,7 @@ def a(self) -> str:
         ...
 
     @a.setter
-    def a(self, value: str):
+    def a(self, value: str) -> None:
         ...
 
 
@@ -2795,7 +2795,7 @@ def a(self) -> str:
         return jsii.get(self, "a")
 
     @a.setter
-    def a(self, value: str):
+    def a(self, value: str) -> None:
         jsii.set(self, "a", value)
 
 
@@ -2939,7 +2939,7 @@ def mutable_property(self) -> typing.Optional[jsii.Number]:
         ...
 
     @mutable_property.setter
-    def mutable_property(self, value: typing.Optional[jsii.Number]):
+    def mutable_property(self, value: typing.Optional[jsii.Number]) -> None:
         ...
 
     @jsii.member(jsii_name="method")
@@ -2976,7 +2976,7 @@ def mutable_property(self) -> typing.Optional[jsii.Number]:
         return jsii.get(self, "mutableProperty")
 
     @mutable_property.setter
-    def mutable_property(self, value: typing.Optional[jsii.Number]):
+    def mutable_property(self, value: typing.Optional[jsii.Number]) -> None:
         jsii.set(self, "mutableProperty", value)
 
     @jsii.member(jsii_name="method")
@@ -3011,7 +3011,7 @@ def mutable_property(self) -> typing.Optional[jsii.Number]:
         ...
 
     @mutable_property.setter
-    def mutable_property(self, value: typing.Optional[jsii.Number]):
+    def mutable_property(self, value: typing.Optional[jsii.Number]) -> None:
         ...
 
     @jsii.member(jsii_name="method")
@@ -3039,7 +3039,7 @@ def mutable_property(self) -> typing.Optional[jsii.Number]:
         return jsii.get(self, "mutableProperty")
 
     @mutable_property.setter
-    def mutable_property(self, value: typing.Optional[jsii.Number]):
+    def mutable_property(self, value: typing.Optional[jsii.Number]) -> None:
         jsii.set(self, "mutableProperty", value)
 
     @jsii.member(jsii_name="method")
@@ -3080,7 +3080,7 @@ def private(self) -> str:
         ...
 
     @private.setter
-    def private(self, value: str):
+    def private(self, value: str) -> None:
         ...
 
 
@@ -3109,7 +3109,7 @@ def private(self) -> str:
         return jsii.get(self, "private")
 
     @private.setter
-    def private(self, value: str):
+    def private(self, value: str) -> None:
         jsii.set(self, "private", value)
 
 
@@ -3137,7 +3137,7 @@ def mutable_property(self) -> typing.Optional[jsii.Number]:
         ...
 
     @mutable_property.setter
-    def mutable_property(self, value: typing.Optional[jsii.Number]):
+    def mutable_property(self, value: typing.Optional[jsii.Number]) -> None:
         ...
 
     @jsii.member(jsii_name="method")
@@ -3171,7 +3171,7 @@ def mutable_property(self) -> typing.Optional[jsii.Number]:
         return jsii.get(self, "mutableProperty")
 
     @mutable_property.setter
-    def mutable_property(self, value: typing.Optional[jsii.Number]):
+    def mutable_property(self, value: typing.Optional[jsii.Number]) -> None:
         jsii.set(self, "mutableProperty", value)
 
     @jsii.member(jsii_name="method")
@@ -3442,7 +3442,7 @@ def read_write_string(self) -> str:
         ...
 
     @read_write_string.setter
-    def read_write_string(self, value: str):
+    def read_write_string(self, value: str) -> None:
         ...
 
 
@@ -3471,7 +3471,7 @@ def read_write_string(self) -> str:
         return jsii.get(self, "readWriteString")
 
     @read_write_string.setter
-    def read_write_string(self, value: str):
+    def read_write_string(self, value: str) -> None:
         jsii.set(self, "readWriteString", value)
 
 
@@ -3495,7 +3495,7 @@ def foo(self) -> jsii.Number:
         ...
 
     @foo.setter
-    def foo(self, value: jsii.Number):
+    def foo(self, value: jsii.Number) -> None:
         ...
 
 
@@ -3515,7 +3515,7 @@ def foo(self) -> jsii.Number:
         return jsii.get(self, "foo")
 
     @foo.setter
-    def foo(self, value: jsii.Number):
+    def foo(self, value: jsii.Number) -> None:
         jsii.set(self, "foo", value)
 
 
@@ -3651,7 +3651,7 @@ def value(self) -> str:
         ...
 
     @value.setter
-    def value(self, value: str):
+    def value(self, value: str) -> None:
         ...
 
 
@@ -3671,7 +3671,7 @@ def value(self) -> str:
         return jsii.get(self, "value")
 
     @value.setter
-    def value(self, value: str):
+    def value(self, value: str) -> None:
         jsii.set(self, "value", value)
 
 
@@ -3695,7 +3695,7 @@ def b(self) -> str:
         ...
 
     @b.setter
-    def b(self, value: str):
+    def b(self, value: str) -> None:
         ...
 
     @builtins.property
@@ -3708,7 +3708,7 @@ def c(self) -> str:
         ...
 
     @c.setter
-    def c(self, value: str):
+    def c(self, value: str) -> None:
         ...
 
 
@@ -3728,7 +3728,7 @@ def b(self) -> str:
         return jsii.get(self, "b")
 
     @b.setter
-    def b(self, value: str):
+    def b(self, value: str) -> None:
         jsii.set(self, "b", value)
 
     @builtins.property
@@ -3741,7 +3741,7 @@ def c(self) -> str:
         return jsii.get(self, "c")
 
     @c.setter
-    def c(self, value: str):
+    def c(self, value: str) -> None:
         jsii.set(self, "c", value)
 
 
@@ -3766,7 +3766,7 @@ def property(self) -> str:
         ...
 
     @property.setter
-    def property(self, value: str):
+    def property(self, value: str) -> None:
         ...
 
     @jsii.member(jsii_name="wasSet")
@@ -3795,7 +3795,7 @@ def property(self) -> str:
         return jsii.get(self, "property")
 
     @property.setter
-    def property(self, value: str):
+    def property(self, value: str) -> None:
         jsii.set(self, "property", value)
 
     @jsii.member(jsii_name="wasSet")
@@ -4093,7 +4093,7 @@ def mutable_property(self) -> typing.Optional[jsii.Number]:
         ...
 
     @mutable_property.setter
-    def mutable_property(self, value: typing.Optional[jsii.Number]):
+    def mutable_property(self, value: typing.Optional[jsii.Number]) -> None:
         ...
 
     @jsii.member(jsii_name="method")
@@ -4109,7 +4109,7 @@ def mutable_property(self) -> typing.Optional[jsii.Number]:
         return jsii.get(self, "mutableProperty")
 
     @mutable_property.setter
-    def mutable_property(self, value: typing.Optional[jsii.Number]):
+    def mutable_property(self, value: typing.Optional[jsii.Number]) -> None:
         jsii.set(self, "mutableProperty", value)
 
     @jsii.member(jsii_name="method")
@@ -4171,7 +4171,7 @@ def prop(self) -> str:
         return jsii.get(self, "prop")
 
     @prop.setter
-    def prop(self, value: str):
+    def prop(self, value: str) -> None:
         jsii.set(self, "prop", value)
 
 
@@ -4238,7 +4238,7 @@ def private(self) -> str:
         return jsii.get(self, "private")
 
     @private.setter
-    def private(self, value: str):
+    def private(self, value: str) -> None:
         jsii.set(self, "private", value)
 
 
@@ -4443,7 +4443,7 @@ def prop_a(self) -> str:
         return jsii.get(self, "propA")
 
     @prop_a.setter
-    def prop_a(self, value: str):
+    def prop_a(self, value: str) -> None:
         jsii.set(self, "propA", value)
 
     @builtins.property
@@ -4456,7 +4456,7 @@ def prop_b(self) -> jsii.Number:
         return jsii.get(self, "propB")
 
     @prop_b.setter
-    def prop_b(self, value: jsii.Number):
+    def prop_b(self, value: jsii.Number) -> None:
         jsii.set(self, "propB", value)
 
 
@@ -4894,7 +4894,7 @@ def while_(self) -> str:
         return jsii.get(self, "while")
 
     @while_.setter
-    def while_(self, value: str):
+    def while_(self, value: str) -> None:
         jsii.set(self, "while", value)
 
 
@@ -5429,7 +5429,7 @@ def change_me_to_undefined(self) -> typing.Optional[str]:
         return jsii.get(self, "changeMeToUndefined")
 
     @change_me_to_undefined.setter
-    def change_me_to_undefined(self, value: typing.Optional[str]):
+    def change_me_to_undefined(self, value: typing.Optional[str]) -> None:
         jsii.set(self, "changeMeToUndefined", value)
 
 
@@ -5517,7 +5517,7 @@ def generator(self) -> "IRandomNumberGenerator":
         return jsii.get(self, "generator")
 
     @generator.setter
-    def generator(self, value: "IRandomNumberGenerator"):
+    def generator(self, value: "IRandomNumberGenerator") -> None:
         jsii.set(self, "generator", value)
 
 
@@ -5784,7 +5784,7 @@ def _override_read_write(self) -> str:
         return jsii.get(self, "overrideReadWrite")
 
     @_override_read_write.setter
-    def _override_read_write(self, value: str):
+    def _override_read_write(self, value: str) -> None:
         jsii.set(self, "overrideReadWrite", value)
 
 
@@ -6295,7 +6295,7 @@ def foo(self) -> typing.Optional[scope.jsii_calc_lib.EnumFromScopedModule]:
         return jsii.get(self, "foo")
 
     @foo.setter
-    def foo(self, value: typing.Optional[scope.jsii_calc_lib.EnumFromScopedModule]):
+    def foo(self, value: typing.Optional[scope.jsii_calc_lib.EnumFromScopedModule]) -> None:
         jsii.set(self, "foo", value)
 
 
@@ -6664,7 +6664,7 @@ def mutable_property(self) -> typing.Optional[jsii.Number]:
         return jsii.get(self, "mutableProperty")
 
     @mutable_property.setter
-    def mutable_property(self, value: typing.Optional[jsii.Number]):
+    def mutable_property(self, value: typing.Optional[jsii.Number]) -> None:
         jsii.set(self, "mutableProperty", value)
 
 
@@ -6724,7 +6724,7 @@ def static_variable(cls) -> bool:
         return jsii.sget(cls, "staticVariable")
 
     @static_variable.setter
-    def static_variable(cls, value: bool):
+    def static_variable(cls, value: bool) -> None:
         jsii.sset(cls, "staticVariable", value)
 
 
@@ -6814,7 +6814,7 @@ def instance(cls) -> "Statics":
         return jsii.sget(cls, "instance")
 
     @instance.setter
-    def instance(cls, value: "Statics"):
+    def instance(cls, value: "Statics") -> None:
         jsii.sset(cls, "instance", value)
 
     @jsii.python.classproperty
@@ -6827,7 +6827,7 @@ def non_const_static(cls) -> jsii.Number:
         return jsii.sget(cls, "nonConstStatic")
 
     @non_const_static.setter
-    def non_const_static(cls, value: jsii.Number):
+    def non_const_static(cls, value: jsii.Number) -> None:
         jsii.sset(cls, "nonConstStatic", value)
 
     @builtins.property
@@ -6880,7 +6880,7 @@ def you_see_me(self) -> str:
         return jsii.get(self, "youSeeMe")
 
     @you_see_me.setter
-    def you_see_me(self, value: str):
+    def you_see_me(self, value: str) -> None:
         jsii.set(self, "youSeeMe", value)
 
 
@@ -7186,7 +7186,7 @@ def parts(self) -> typing.List[scope.jsii_calc_lib.Value]:
         return jsii.get(self, "parts")
 
     @parts.setter
-    def parts(self, value: typing.List[scope.jsii_calc_lib.Value]):
+    def parts(self, value: typing.List[scope.jsii_calc_lib.Value]) -> None:
         jsii.set(self, "parts", value)
 
 
@@ -7398,7 +7398,7 @@ def a(self) -> jsii.Number:
         return jsii.get(self, "a")
 
     @a.setter
-    def a(self, value: jsii.Number):
+    def a(self, value: jsii.Number) -> None:
         jsii.set(self, "a", value)
 
     @builtins.property
@@ -7411,7 +7411,7 @@ def caller_is_property(self) -> jsii.Number:
         return jsii.get(self, "callerIsProperty")
 
     @caller_is_property.setter
-    def caller_is_property(self, value: jsii.Number):
+    def caller_is_property(self, value: jsii.Number) -> None:
         jsii.set(self, "callerIsProperty", value)
 
     @builtins.property
@@ -7424,7 +7424,7 @@ def other_property(self) -> str:
         return jsii.get(self, "otherProperty")
 
     @other_property.setter
-    def other_property(self, value: str):
+    def other_property(self, value: str) -> None:
         jsii.set(self, "otherProperty", value)
 
     @builtins.property
@@ -7437,7 +7437,7 @@ def the_property(self) -> str:
         return jsii.get(self, "theProperty")
 
     @the_property.setter
-    def the_property(self, value: str):
+    def the_property(self, value: str) -> None:
         jsii.set(self, "theProperty", value)
 
     @builtins.property
@@ -7450,7 +7450,7 @@ def value_of_other_property(self) -> str:
         return jsii.get(self, "valueOfOtherProperty")
 
     @value_of_other_property.setter
-    def value_of_other_property(self, value: str):
+    def value_of_other_property(self, value: str) -> None:
         jsii.set(self, "valueOfOtherProperty", value)
 
 
@@ -8053,7 +8053,7 @@ def rung(self) -> bool:
         return jsii.get(self, "rung")
 
     @rung.setter
-    def rung(self, value: bool):
+    def rung(self, value: bool) -> None:
         jsii.set(self, "rung", value)
 
 
@@ -8117,7 +8117,7 @@ def a(self) -> str:
         return jsii.get(self, "a")
 
     @a.setter
-    def a(self, value: str):
+    def a(self, value: str) -> None:
         jsii.set(self, "a", value)
 
     @builtins.property
@@ -8130,7 +8130,7 @@ def b(self) -> str:
         return jsii.get(self, "b")
 
     @b.setter
-    def b(self, value: str):
+    def b(self, value: str) -> None:
         jsii.set(self, "b", value)
 
     @builtins.property
@@ -8143,7 +8143,7 @@ def c(self) -> str:
         return jsii.get(self, "c")
 
     @c.setter
-    def c(self, value: str):
+    def c(self, value: str) -> None:
         jsii.set(self, "c", value)
 
     @builtins.property
@@ -8156,7 +8156,7 @@ def d(self) -> str:
         return jsii.get(self, "d")
 
     @d.setter
-    def d(self, value: str):
+    def d(self, value: str) -> None:
         jsii.set(self, "d", value)
 
 
@@ -8179,7 +8179,7 @@ def a(self) -> str:
         return jsii.get(self, "a")
 
     @a.setter
-    def a(self, value: str):
+    def a(self, value: str) -> None:
         jsii.set(self, "a", value)
 
     @builtins.property
@@ -8192,7 +8192,7 @@ def b(self) -> str:
         return jsii.get(self, "b")
 
     @b.setter
-    def b(self, value: str):
+    def b(self, value: str) -> None:
         jsii.set(self, "b", value)
 
     @builtins.property
@@ -8205,7 +8205,7 @@ def c(self) -> str:
         return jsii.get(self, "c")
 
     @c.setter
-    def c(self, value: str):
+    def c(self, value: str) -> None:
         jsii.set(self, "c", value)
 
     @builtins.property
@@ -8218,7 +8218,7 @@ def e(self) -> str:
         return jsii.get(self, "e")
 
     @e.setter
-    def e(self, value: str):
+    def e(self, value: str) -> None:
         jsii.set(self, "e", value)
 
 
@@ -8260,7 +8260,7 @@ def read_write_string(self) -> str:
         return jsii.get(self, "readWriteString")
 
     @read_write_string.setter
-    def read_write_string(self, value: str):
+    def read_write_string(self, value: str) -> None:
         jsii.set(self, "readWriteString", value)
 
 
diff --git a/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/composition/__init__.py b/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/composition/__init__.py
index 7b8193e5f0..5451d63f92 100644
--- a/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/composition/__init__.py
+++ b/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/composition/__init__.py
@@ -72,7 +72,7 @@ def decoration_postfixes(self) -> typing.List[str]:
         return jsii.get(self, "decorationPostfixes")
 
     @decoration_postfixes.setter
-    def decoration_postfixes(self, value: typing.List[str]):
+    def decoration_postfixes(self, value: typing.List[str]) -> None:
         jsii.set(self, "decorationPostfixes", value)
 
     @builtins.property
@@ -86,7 +86,7 @@ def decoration_prefixes(self) -> typing.List[str]:
         return jsii.get(self, "decorationPrefixes")
 
     @decoration_prefixes.setter
-    def decoration_prefixes(self, value: typing.List[str]):
+    def decoration_prefixes(self, value: typing.List[str]) -> None:
         jsii.set(self, "decorationPrefixes", value)
 
     @builtins.property
@@ -100,7 +100,7 @@ def string_style(self) -> "CompositionStringStyle":
         return jsii.get(self, "stringStyle")
 
     @string_style.setter
-    def string_style(self, value: "CompositionStringStyle"):
+    def string_style(self, value: "CompositionStringStyle") -> None:
         jsii.set(self, "stringStyle", value)
 
     @jsii.enum(jsii_type="jsii-calc.composition.CompositeOperation.CompositionStringStyle")
diff --git a/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/derived_class_has_no_properties/__init__.py b/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/derived_class_has_no_properties/__init__.py
index cfca7140d4..c646ac57af 100644
--- a/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/derived_class_has_no_properties/__init__.py
+++ b/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/derived_class_has_no_properties/__init__.py
@@ -34,7 +34,7 @@ def prop(self) -> str:
         return jsii.get(self, "prop")
 
     @prop.setter
-    def prop(self, value: str):
+    def prop(self, value: str) -> None:
         jsii.set(self, "prop", value)
 
 
diff --git a/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/interface_in_namespace_includes_classes/__init__.py b/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/interface_in_namespace_includes_classes/__init__.py
index ba84bff84f..0cf62f9f2b 100644
--- a/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/interface_in_namespace_includes_classes/__init__.py
+++ b/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/interface_in_namespace_includes_classes/__init__.py
@@ -34,7 +34,7 @@ def bar(self) -> typing.Optional[str]:
         return jsii.get(self, "bar")
 
     @bar.setter
-    def bar(self, value: typing.Optional[str]):
+    def bar(self, value: typing.Optional[str]) -> None:
         jsii.set(self, "bar", value)
 
 
diff --git a/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/submodule/__init__.py b/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/submodule/__init__.py
index 9608325099..6c1ac1db15 100644
--- a/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/submodule/__init__.py
+++ b/packages/jsii-pacmak/test/expected.jsii-calc/python/src/jsii_calc/submodule/__init__.py
@@ -68,7 +68,7 @@ def all_types(self) -> typing.Optional[jsii_calc.AllTypes]:
         return jsii.get(self, "allTypes")
 
     @all_types.setter
-    def all_types(self, value: typing.Optional[jsii_calc.AllTypes]):
+    def all_types(self, value: typing.Optional[jsii_calc.AllTypes]) -> None:
         jsii.set(self, "allTypes", value)