fixed regex error

video_creation/background.py

@@ -33,9 +33,10 @@ def download_background(background):
             with YoutubeDL(ydl_opts) as ydl:
                 if background is None:
                     ydl.download("https://www.youtube.com/watch?v=n_Dv4JMiwK8")
-
+                else:
                     if (
-                        re.match("https://*youtube.com*", background) and background is not None
+                            re.match("https://*youtube.com*", background)
+                            and background is not None
                         ):
                         ydl.download(background)
                     else: # if the link is not youtube link