diff --git a/dialogs.py b/dialogs.py
index a1fb098..539d243 100644
--- a/dialogs.py
+++ b/dialogs.py
@@ -5,11 +5,11 @@
 
 
 class Messagebox(Toplevel):
-    def __init__(self, parent, title, details, icon, *, buttons) -> bool:
+    def __init__(self, parent, title, details, icon, *, buttons) -> None:
         super().__init__()
         self.withdraw()
 
-        self.result = None
+        self.result: bool | None = None
 
         self.big_frame = Frame(self)
         self.big_frame.pack(fill="both", expand=True)
@@ -79,8 +79,8 @@ def __init__(self, parent, title, details, icon, *, buttons) -> bool:
                 text=button_value[0],
                 width=18,
                 command=partial(self.on_button, button_value[1]),
-                style=self.style,
-                state=self.state,
+                style=self.style, # type: ignore
+                state=self.state, # type: ignore
             )
             if self.default:
                 self.button.bind("<Return>", self.button["command"])
diff --git a/main.py b/main.py
index 5da9b9a..f01b5a1 100644
--- a/main.py
+++ b/main.py
@@ -30,7 +30,9 @@
 if not data_dir.exists():
     # Create the directory if it doesn't exist
     data_dir.mkdir(parents=True)
-    data_file.touch("dark\nmetric")
+    data_file.touch()
+    with open(data_file, "r+") as file:
+        file.write("dark\nmetric")
 
 # Ensure file exists and contains the correct data
 if data_file.exists():
@@ -112,7 +114,7 @@ def __init__(self):
                 self.iconphoto(False, logo_img)
         except TclError:
             try:
-                self.iconphoto("./assets/icon.ico")
+                self.iconphoto("./assets/icon.ico") # type: ignore
             except TclError:
                 pass
 
@@ -297,6 +299,11 @@ def owm_search(self, _: Event | None = None) -> None:
             self.reset_app()
             return
 
+        # Removing redundancy
+        def failed_weather_request() -> None:
+            self.cityname.configure(text="City: Not Found")
+            self.reset_app()
+
         # Check if city exists
         try:
             observation = mgr.weather_at_place(city)
@@ -306,8 +313,12 @@ def owm_search(self, _: Event | None = None) -> None:
             or TimeoutError
             or InvalidSSLCertificateError
         ):
-            self.cityname.configure(text="City: Not Found")
-            self.reset_app()
+            failed_weather_request()
+            return
+
+        # Check that observation is not None
+        if observation is None:
+            failed_weather_request()
             return
 
         # Get weather data