fix(tkinter_show.py): Fix mypy and pylint warnings

Author: amilcarlucas

ardupilot_methodic_configurator/frontend_tkinter_show.py

@@ -50,10 +50,10 @@ class Tooltip:
     """
 
     def __init__(self, widget: tk.Widget, text: str, position_below: bool = True) -> None:
-        self.widget = widget
-        self.text = text
-        self.tooltip = None
-        self.position_below = position_below
+        self.widget: tk.Widget = widget
+        self.text: str = text
+        self.tooltip: Optional[tk.Toplevel] = None
+        self.position_below: bool = position_below
 
         # Bind the <Enter> and <Leave> events to show and hide the tooltip
         self.widget.bind("<Enter>", self.show)

tests/test_frontend_tkinter_show.py

@@ -15,6 +15,9 @@
 
 import pytest
 
+# pylint: disable=redefined-outer-name
+
+
 from ardupilot_methodic_configurator.frontend_tkinter_show import (
     Tooltip,
     show_error_message,