diff --git a/labeler/automation/auto_labeler.py b/labeler/automation/auto_labeler.py
index c65046c..afee637 100644
--- a/labeler/automation/auto_labeler.py
+++ b/labeler/automation/auto_labeler.py
@@ -113,11 +113,11 @@ def _extract_as_straight_box(self, image: np.ndarray, coords: list[list[int]]) -
         src_points = np.array(coords, dtype="float32")
 
         # Determine the bounding box dimensions (width and height of the rectangle)
-        width = max(  # type: ignore[call-overload]
+        width = max(
             np.linalg.norm(src_points[0] - src_points[1]),
             np.linalg.norm(src_points[2] - src_points[3]),
         )
-        height = max(  # type: ignore[call-overload]
+        height = max(
             np.linalg.norm(src_points[0] - src_points[3]),
             np.linalg.norm(src_points[1] - src_points[2]),
         )
diff --git a/labeler/views/gui.py b/labeler/views/gui.py
index 25f2b2f..c4ba9ad 100644
--- a/labeler/views/gui.py
+++ b/labeler/views/gui.py
@@ -726,7 +726,8 @@ def discard_tight(self, event: tk.Event | None = None):
             pass
 
     def start_gui(self):  # pragma: no cover
-        sv_ttk.set_theme(darkdetect.theme())
+        if theme := darkdetect.theme():
+            sv_ttk.set_theme(theme)
         if self.image_folder:
             self.load_directory()
         self.mainloop()
diff --git a/setup.py b/setup.py
index 3fd19b9..3a502a2 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 from setuptools import setup
 
 PKG_NAME = "doctr-labeler"
-VERSION = os.getenv("BUILD_VERSION", "0.2.0a0")
+VERSION = os.getenv("BUILD_VERSION", "0.2.1")
 
 
 if __name__ == "__main__":