Fix `CoinSide` error being suppressed

Now explicitly passes `None` as default value rather than using `typing.Optional`.

1 files changed, 2 insertions, 2 deletions

diff --git a/bot/exts/evergreen/coinflip.py b/bot/exts/evergreen/coinflip.py
index 2f9bf38b..c0aa5645 100644
--- a/bot/exts/evergreen/coinflip.py
+++ b/bot/exts/evergreen/coinflip.py
@@ -1,5 +1,5 @@
 import random
-from typing import Optional, Tuple
+from typing import Tuple
 
 from discord.ext import commands
 
@@ -29,7 +29,7 @@ class CoinFlip(commands.Cog):
     """Cog for the CoinFlip command."""
 
     @commands.command(name="coinflip", aliases=("flip", "coin", "cf"))
-    async def coinflip_command(self, ctx: commands.Context, side: Optional[CoinSide]) -> None:
+    async def coinflip_command(self, ctx: commands.Context, side: CoinSide = None) -> None:
         """
         Flips a coin.