From b22215a93b9920ef0105a273f86c382dc1bd15ee Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <ste.pigozzi@gmail.com>
Date: Thu, 24 Oct 2019 12:39:17 +0200
Subject: [PATCH] Type .optional

---
 royalnet/commands/commandargs.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/royalnet/commands/commandargs.py b/royalnet/commands/commandargs.py
index 39d91723..34870ae5 100644
--- a/royalnet/commands/commandargs.py
+++ b/royalnet/commands/commandargs.py
@@ -55,7 +55,7 @@ class CommandArgs(list):
             raise InvalidInputError("Invalid syntax.")
         return match.groups()
 
-    def optional(self, index: int, default=None):
+    def optional(self, index: int, default=None) -> typing.Optional[str]:
         """Get the argument at a specific index, but don't raise an error if nothing is found, instead returning the ``default`` value.
 
         Parameters: