Migrate from Poetry and pyenv to uv

tests/test_media_utils.py

@@ -1,10 +1,11 @@
 import tempfile
+import tkinter as tk
 from pathlib import Path
+
 import pytest
+from PIL import Image, ImageTk
 
 from src.core.media_utils import load_icon
-from PIL import Image, ImageTk
-import tkinter as tk
 
 
 @pytest.fixture(scope="module")