diff --git a/services/core.py b/services/core.py
index 1410ada..0b3d366 100644
--- a/services/core.py
+++ b/services/core.py
@@ -26,7 +26,7 @@ async def get_author(author_id):
         return None
 
 
-async def get_network(author_id, limit=50, offset=0) -> list:
+async def get_network(author_id:int, limit:int = 50, offset:int = 0) -> list:
     gql = {
         "query": "query LoadAuthors { authorFollowings(author_id: $author_id, limit: $limit, offset: $offset) { id slug userpic name } }",
         "operation": "LoadAuthors",