fix: premium buttons and entitlement iterator

discord/client.py

@@ -2085,7 +2085,7 @@ async def fetch_entitlements(
 
         Returns
         -------
-        List[:class:`.Entitlement`]
+        :class:`.EntitlementIterator`
             The application's entitlements.
 
         Raises
@@ -2095,12 +2095,12 @@ async def fetch_entitlements(
         """
         return EntitlementIterator(
             self._connection,
-            user_id=user.id,
-            sku_ids=[sku.id for sku in skus],
+            user_id=user.id if user else None,
+            sku_ids=[sku.id for sku in skus] if skus else None,
             before=before,
             after=after,
             limit=limit,
-            guild_id=guild.id,
+            guild_id=guild.id if guild else None,
             exclude_ended=exclude_ended,
         )
 

discord/http.py

@@ -2980,7 +2980,7 @@ def list_entitlements(
         if guild_id is not None:
             params["guild_id"] = guild_id
         if exclude_ended is not None:
-            params["exclude_ended"] = exclude_ended
+            params["exclude_ended"] = int(exclude_ended)
 
         r = Route(
             "GET",

discord/ui/button.py

@@ -117,7 +117,7 @@ def __init__(
             )
 
         self._provided_custom_id = custom_id is not None
-        if url is None and custom_id is None:
+        if url is None and custom_id is None and sku_id is None:
             custom_id = os.urandom(16).hex()
 
         if url is not None: