fixup! Add find_by_slug to TraktApi

plextraktsync/trakt/TraktApi.py

@@ -253,6 +253,7 @@ def find_by_guid(self, guid: PlexGuid):
     @staticmethod
     def find_by_slug(slug: str, media_type: str):
         if media_type == "movie":
+            from trakt.movies import Movie
             factory_method = Movie
         else:
             raise RuntimeError(f"Unsupported media_type={media_type}")