Migrate from Poetry and pyenv to uv

tests/conftest.py

@@ -1,11 +1,14 @@
 """
 Konfigurace pytest - sdílené fixtures a nastavení pro všechny testy
 """
-import pytest
-import tempfile
+
+import contextlib
 import shutil
+import tempfile
 from pathlib import Path
 
+import pytest
+
 
 @pytest.fixture(scope="session")
 def session_temp_dir():
@@ -22,7 +25,5 @@ def cleanup_config_files():
     # Cleanup po testu
     config_file = Path("config.json")
     if config_file.exists():
-        try:
+        with contextlib.suppress(Exception):
             config_file.unlink()
-        except Exception:
-            pass