style: format code with Black

This commit fixes the style issues introduced in 5b2c2a7 according to the output
from Black.

Details: #180

Author: deepsource-autofix[bot]

tests/test_main.py

@@ -311,7 +311,9 @@ def test_video_command_linux(self, mock_input, mock_print, mock_subprocess):
         # Verify video command was processed - either video text printed or subprocess called
         video_text_found = any("Video" in str(call) for call in printed_output)
         subprocess_was_called = mock_subprocess.called
-        assert video_text_found or subprocess_was_called, "Video command should print text or call subprocess"
+        assert (
+            video_text_found or subprocess_was_called
+        ), "Video command should print text or call subprocess"
 
 
 class TestWelcomeScreen: