Fix invalid escape sequence DeprecationWarning (#1244)

* Fix invalid escape sequence DeprecationWarning

* Remove escape chars

Author: cdce8p

plexapi/base.py

@@ -227,7 +227,7 @@ def fetchItems(self, ekey, cls=None, container_start=None, container_size=None,
 
                     fetchItem(ekey, viewCount__gte=0)
                     fetchItem(ekey, Media__container__in=["mp4", "mkv"])
-                    fetchItem(ekey, guid__iregex=r"(imdb:\/\/|themoviedb:\/\/)")
+                    fetchItem(ekey, guid__iregex=r"(imdb://|themoviedb://)")
                     fetchItem(ekey, Media__Part__file__startswith="D:\\Movies")
 
         """