Add __slots__ to third-party packages using stubdefaulter (#14619)

stubs/openpyxl/openpyxl/cell/cell.pyi

@@ -36,6 +36,7 @@ def get_type(t: type, value: object) -> Literal["n", "s", "d", "f"] | None: ...
 def get_time_format(t: _TimeTypes) -> str: ...
 
 class Cell(StyleableObject):
+    __slots__ = ("row", "column", "_value", "data_type", "parent", "_hyperlink", "_comment")
     row: int
     column: int
     data_type: str
@@ -82,6 +83,7 @@ class Cell(StyleableObject):
     def comment(self, value: Comment | None) -> None: ...
 
 class MergedCell(StyleableObject):
+    __slots__ = ("row", "column")
     data_type: str
     comment: Comment | None
     hyperlink: Hyperlink | None

stubs/openpyxl/openpyxl/cell/read_only.pyi

@@ -12,6 +12,7 @@ from openpyxl.workbook.child import _WorkbookChild
 from openpyxl.worksheet._read_only import ReadOnlyWorksheet
 
 class ReadOnlyCell:
+    __slots__ = ("parent", "row", "column", "_value", "data_type", "_style_id")
     parent: _WorkbookChild | ReadOnlyWorksheet
     row: Incomplete
     column: Incomplete
@@ -58,6 +59,7 @@ class ReadOnlyCell:
     def value(self, value: None) -> None: ...
 
 class EmptyCell:
+    __slots__ = ()
     value: Incomplete
     is_date: bool
     font: Incomplete

stubs/openpyxl/openpyxl/formula/tokenizer.pyi

@@ -30,6 +30,7 @@ class Tokenizer:
     def render(self): ...
 
 class Token:
+    __slots__ = ["value", "type", "subtype"]
     LITERAL: Final = "LITERAL"
     OPERAND: Final = "OPERAND"
     FUNC: Final = "FUNC"

stubs/openpyxl/openpyxl/styles/cell_style.pyi

@@ -19,6 +19,7 @@ class ArrayDescriptor(Generic[_T]):
     def __set__(self, instance: MutableSequence[_T], value: _T) -> None: ...
 
 class StyleArray(array[int]):
+    __slots__ = ()
     tagname: ClassVar[str]
     fontId: ArrayDescriptor[int]
     fillId: ArrayDescriptor[int]

stubs/openpyxl/openpyxl/styles/proxy.pyi

@@ -1,6 +1,7 @@
 from typing_extensions import deprecated
 
 class StyleProxy:
+    __slots__ = "__target"
     def __init__(self, target) -> None: ...
     def __getattr__(self, attr: str): ...
     def __setattr__(self, attr: str, value) -> None: ...

stubs/openpyxl/openpyxl/styles/styleable.pyi

@@ -34,6 +34,7 @@ class StyleArrayDescriptor:
     def __get__(self, instance: StyleableObject, cls: Unused) -> bool: ...
 
 class StyleableObject:
+    __slots__ = ("parent", "_style")
     font: StyleDescriptor
     fill: StyleDescriptor
     border: StyleDescriptor