diff --git a/telethon/errors/rpc_base_errors.py b/telethon/errors/rpc_base_errors.py
index 315e4f5d..3ec6cc7e 100644
--- a/telethon/errors/rpc_base_errors.py
+++ b/telethon/errors/rpc_base_errors.py
@@ -2,6 +2,7 @@ class RPCError(Exception):
     """Base class for all Remote Procedure Call errors."""
     code = None
     message = None
+
     def __reduce__(self):
         return type(self), ()