fix pagination

e621.py

@@ -174,4 +174,6 @@ class E621:
 
     async def get_post_versions(self, start_id=0, page=1, limit=320) -> List[E621PostVersion]:
         r = (await self.client.get('/post_versions.json', params={'search[start_id]': start_id, 'limit': limit})).json()
+        if 'success' in r:
+            return []
         return [E621PostVersion.from_dict(p) for p in r]

main.py

@@ -142,6 +142,7 @@ async def check_updates():
         tag_list = set(tuple(t.decode().split()) for t in await redis.smembers('e621:subs'))
         last_post_version = int((await redis.get('e621:last_version') or b'0').decode())
         post_versions: List[E621PostVersion] = []
+        logging.warning(f'Getting post versions from id {last_post_version}')
         for page in count(1):
             post_versions_page = await e621.get_post_versions(last_post_version, page)
             post_versions += post_versions_page