invalid url exception handled

utils.py

@@ -12,7 +12,7 @@ def get_video_from_yt(video_url : str, save_file_dir : str, video_name : str="yt
     downloaded file as string
     """
 
-    logging.info(f"Attempting youtube video download : \nURL : {video_url}")
+    logging.info(f"Attempting youtube video download for URL : {video_url}")
 
     try :
         # create directory if not exists
@@ -23,9 +23,13 @@ def get_video_from_yt(video_url : str, save_file_dir : str, video_name : str="yt
         # download the file
         os.system(f'yt-dlp --quiet -o {filepath} -x --audio-format "wav" {video_url}')
         
-        logging.info(f"Download successful. \nAudio file path : {filepath}")
+        if os.path.exists(f"{filepath}.wav"):
+            logging.info(f"Download successful. Audio file path : {filepath}.wav")
 
-        return f"{filepath}.wav"
+            return f"{filepath}.wav"
+        else:
+            logging.info("Download unsuccessful. Please check logs.")
+            return None
     except Exception as e:
         logging.info("Download unsuccessful.")
         logging.exception(e)