Address issue with unknown integer values for platform-specific button types.

Author: erictraut

stubs/pynput/pynput/mouse/_base.pyi

@@ -13,36 +13,36 @@ class Button(enum.Enum):
     middle = 2
     right = 3
     if sys.platform == "linux":
-        button8 = ...
-        button9 = ...
-        button10 = ...
-        button11 = ...
-        button12 = ...
-        button13 = ...
-        button14 = ...
-        button15 = ...
-        button16 = ...
-        button17 = ...
-        button18 = ...
-        button19 = ...
-        button20 = ...
-        button21 = ...
-        button22 = ...
-        button23 = ...
-        button24 = ...
-        button25 = ...
-        button26 = ...
-        button27 = ...
-        button28 = ...
-        button29 = ...
-        button30 = ...
-        scroll_down = ...
-        scroll_left = ...
-        scroll_right = ...
-        scroll_up = ...
+        button8 = int()
+        button9 = int()
+        button10 = int()
+        button11 = int()
+        button12 = int()
+        button13 = int()
+        button14 = int()
+        button15 = int()
+        button16 = int()
+        button17 = int()
+        button18 = int()
+        button19 = int()
+        button20 = int()
+        button21 = int()
+        button22 = int()
+        button23 = int()
+        button24 = int()
+        button25 = int()
+        button26 = int()
+        button27 = int()
+        button28 = int()
+        button29 = int()
+        button30 = int()
+        scroll_down = int()
+        scroll_left = int()
+        scroll_right = int()
+        scroll_up = int()
     if sys.platform == "win32":
-        x1 = ...
-        x2 = ...
+        x1 = int()
+        x2 = int()
 
 class Controller:
     def __init__(self) -> None: ...