Use Optional typing shorthand rather than Union w/None

3 files changed, 6 insertions, 6 deletions

diff --git a/bot/cogs/bot.py b/bot/cogs/bot.py
index 585be5a42..7be04693c 100644
--- a/bot/cogs/bot.py
+++ b/bot/cogs/bot.py
@@ -2,7 +2,7 @@ import ast
 import logging
 import re
 import time
-from typing import Optional, Tuple, Union
+from typing import Optional, Tuple
 
 from discord import Embed, Message, RawMessageUpdateEvent
 from discord.ext.commands import Bot, Cog, Context, command, group
@@ -82,7 +82,7 @@ class Bot(Cog):
         embed = Embed(description=text)
         await ctx.send(embed=embed)
 
-    def codeblock_stripping(self, msg: str, bad_ticks: bool) -> Union[Tuple[Tuple[str, Optional[str]], str], None]:
+    def codeblock_stripping(self, msg: str, bad_ticks: bool) -> Optional[Tuple[Tuple[str, Optional[str]], str]]:
         """
         Strip msg in order to find Python code.
 
diff --git a/bot/cogs/eval.py b/bot/cogs/eval.py
index 578a494e7..2ae543d83 100644
--- a/bot/cogs/eval.py
+++ b/bot/cogs/eval.py
@@ -6,7 +6,7 @@ import re
 import textwrap
 import traceback
 from io import StringIO
-from typing import Any, Tuple, Union
+from typing import Any, Optional, Tuple
 
 import discord
 from discord.ext.commands import Bot, Cog, group
@@ -29,7 +29,7 @@ class CodeEval(Cog):
 
         self.interpreter = Interpreter(bot)
 
-    def _format(self, inp: str, out: Any) -> Tuple[str, Union[discord.embed, None]]:
+    def _format(self, inp: str, out: Any) -> Tuple[str, Optional[discord.embed]]:
         """Format the eval output into a string & attempt to format it into an Embed."""
         self._ = out
 
diff --git a/bot/cogs/security.py b/bot/cogs/security.py
index c2c6356d3..a04c18289 100644
--- a/bot/cogs/security.py
+++ b/bot/cogs/security.py
@@ -1,5 +1,5 @@
 import logging
-from typing import Union
+from typing import Optional
 
 from discord.ext.commands import Bot, Cog, Context, NoPrivateMessage
 
@@ -18,7 +18,7 @@ class Security(Cog):
         """Check if Context instance author is not a bot."""
         return not ctx.author.bot
 
-    def check_on_guild(self, ctx: Context) -> Union[bool, None]:
+    def check_on_guild(self, ctx: Context) -> Optional[bool]:
         """Check if Context instance has a guild attribute."""
         if ctx.guild is None:
             raise NoPrivateMessage("This command cannot be used in private messages.")