Deprecate get_watched to indicate wrong api call being used

Author: glensc

trakt/sync.py

@@ -2,6 +2,8 @@
 """This module contains Trakt.tv sync endpoint support functions"""
 from datetime import datetime, timezone
 
+from deprecated import deprecated
+
 from trakt.core import get, post, delete
 from trakt.utils import slugify, extract_ids, timestamp
 
@@ -349,6 +351,7 @@ def get_watchlist(list_type=None, sort=None):
 
 
 @get
+@deprecated("This method returns watchlist, not watched list. This will be changed in PyTrakt 4.x to return watched list")
 def get_watched(list_type=None, extended=None):
     """Return all movies or shows a user has watched sorted by most plays.