Ensure yt-dlp Availability in Video Info Module

ytsage_gui_video_info.py

@@ -16,7 +16,12 @@ from pathlib import Path
 from packaging import version
 import subprocess
 import re
+try:
     import yt_dlp
+    YT_DLP_AVAILABLE = True
+except ImportError:
+    YT_DLP_AVAILABLE = False
+    print("Warning: yt-dlp not available at startup, will be downloaded at runtime")
 from ytsage_gui_dialogs import SubtitleSelectionDialog
 
 class VideoInfoMixin: