diff --git a/customtkinter/widgets/ctk_canvas.py b/customtkinter/widgets/ctk_canvas.py
index 6502cf0..c3f9cd6 100644
--- a/customtkinter/widgets/ctk_canvas.py
+++ b/customtkinter/widgets/ctk_canvas.py
@@ -1,6 +1,6 @@
 import tkinter
 import sys
-from typing import Union
+from typing import Union, Tuple
 
 
 class CTkCanvas(tkinter.Canvas):
@@ -44,7 +44,7 @@ class CTkCanvas(tkinter.Canvas):
             return self.radius_to_char_fine[radius]
 
     def create_aa_circle(self, x_pos: int, y_pos: int, radius: int, angle: int = 0, fill: str = "white",
-                         tags: Union[str, tuple[str, ...]] = "", anchor: str = tkinter.CENTER) -> int:
+                         tags: Union[str, Tuple[str, ...]] = "", anchor: str = tkinter.CENTER) -> int:
         # create a circle with a font element
         circle_1 = self.create_text(x_pos, y_pos, text=self.get_char_from_radius(radius), anchor=anchor, fill=fill,
                                     font=("CustomTkinter_shapes_font", -radius * 2), tags=tags, angle=angle)
diff --git a/setup.cfg b/setup.cfg
index 54da0bd..dba9b16 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,6 +17,7 @@ classifiers =
 packages =
     customtkinter
     customtkinter.widgets
+    customtkinter.windows
 install_requires =
     darkdetect
 include_package_data = True
diff --git a/test/manual_integration_tests/test_scaling/test_scaling_toplevel_pack.py b/test/manual_integration_tests/test_scaling/test_scaling_toplevel_pack.py
index 6c29373..5845c62 100644
--- a/test/manual_integration_tests/test_scaling/test_scaling_toplevel_pack.py
+++ b/test/manual_integration_tests/test_scaling/test_scaling_toplevel_pack.py
@@ -11,6 +11,7 @@ root_tk.geometry("400x480")
 root_tk.title("CustomTkinter manual scaling test")
 
 top_tk = customtkinter.CTkToplevel(root_tk)
+top_tk.geometry("500x500")
 
 #root_tk.minsize(200, 200)
 #root_tk.maxsize(520, 520)