diff --git a/commands/utils.py b/commands/utils.py
index 49ce7c6..92251e9 100644
--- a/commands/utils.py
+++ b/commands/utils.py
@@ -1,9 +1,9 @@
-import enum
+from enum import Enum
 
 import constants
 
 
-class Command(enum.Enum):
+class Command(Enum):
     CLEAR = "clear"
     CURRENT = "current"
     EXECUTE = "execute"
diff --git a/core.py b/core.py
index f757a54..3555622 100644
--- a/core.py
+++ b/core.py
@@ -13,6 +13,7 @@ import disnake_paginator
 import commands
 import constants
 import utils
+from commands import Command as C
 from state import client, command_locks, idle_tracker
 
 
@@ -42,7 +43,6 @@ async def on_message(message, edited=False):
     if message.guild.id not in command_locks:
         command_locks[message.guild.id] = asyncio.Lock()
 
-    C = commands.Command
     try:
         match matched[0]:
             case C.RELOAD if message.author.id in constants.OWNERS:
@@ -136,13 +136,13 @@ async def on_voice_state_update(_, before, after):
     def is_empty(channel):
         return [m.id for m in (channel.members if channel else [])] == [client.user.id]
 
-    c = None
+    channel = None
     if is_empty(before.channel):
-        c = before.channel
+        channel = before.channel
     elif is_empty(after.channel):
-        c = after.channel
-    if c:
-        await c.guild.voice_client.disconnect()
+        channel = after.channel
+    if channel:
+        await channel.guild.voice_client.disconnect()
 
 
 def rreload(reloaded_modules, module):
diff --git a/state.py b/state.py
index ff6db80..cf7feea 100644
--- a/state.py
+++ b/state.py
@@ -1,13 +1,13 @@
-import collections
 import time
+from collections import OrderedDict
 
 import disnake
 
 
-class LimitedSizeDict(collections.OrderedDict):
-    def __init__(self, *args, **kwds):
-        self.size_limit = kwds.pop("size_limit", 1000)
-        super().__init__(*args, **kwds)
+class LimitedSizeDict(OrderedDict):
+    def __init__(self, *args, **kwargs):
+        self.size_limit = kwargs.pop("size_limit", 1000)
+        super().__init__(*args, **kwargs)
         self._check_size_limit()
 
     def __setitem__(self, key, value):