diff --git a/cogs/moderation.py b/cogs/moderation.py
index 166d75e2..bd55440f 100644
--- a/cogs/moderation.py
+++ b/cogs/moderation.py
@@ -34,13 +34,13 @@ class MessageFingerprint:
     attachment_urls: list[
         str
     ]  # the discord content URLs for each of the message's uploaded attachments
-    cached_attachment_hashes: set[
-        Hash
-    ] | None = None  # populated on the first call to `get_attachment_hashes`
+    cached_attachment_hashes: (
+        set[Hash] | None
+    ) = None  # populated on the first call to `get_attachment_hashes`
 
-    content_hash: Hash | None = (
-        None  # hash of the message body, after being passed through `filter_content`
-    )
+    content_hash: (
+        Hash | None
+    ) = None  # hash of the message body, after being passed through `filter_content`
 
     # shortcut to build a fingerprint given a message
     @classmethod
@@ -166,11 +166,8 @@ async def is_multipost_of(self, other: MessageFingerprint) -> bool:
 class Moderation(commands.Cog):
     def __init__(self, bot: commands.Bot) -> None:
         self.bot = bot
-        self.fingerprints: list[
-            MessageFingerprint
-        ] = (
-            []
-        )  # stores all user messages sent in the last minute (recent messages near the end)
+        # stores all user messages sent in the last minute (recent messages near the end)
+        self.fingerprints: list[MessageFingerprint] = []
         self.multipost_warnings: dict[
             Annotated[int, "Multiposted Message ID"],
             tuple[
diff --git a/cogs/pubchem.py b/cogs/pubchem.py
index 64a67a27..d922bb5c 100644
--- a/cogs/pubchem.py
+++ b/cogs/pubchem.py
@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import asyncio
+import string
 
 import pubchempy as pcp
 from discord import ApplicationContext, option
@@ -49,7 +50,7 @@ def to_subscript(self, number: str) -> str:
         :type number: int
         :return: The subscripted version of the number.
         """
-        return number.translate(str.maketrans("0123456789", "₀₁₂₃₄₅₆₇₈₉"))
+        return number.translate(str.maketrans(string.digits, "₀₁₂₃₄₅₆₇₈₉"))
 
     @commands.slash_command(
         name="chemsearch",
diff --git a/cogs/staffapps_frontend.py b/cogs/staffapps_frontend.py
index f58b9c75..a66c4f85 100644
--- a/cogs/staffapps_frontend.py
+++ b/cogs/staffapps_frontend.py
@@ -593,7 +593,7 @@ async def apply(self, ctx: discord.ApplicationContext) -> None:
 
         # check app status
         status = any(
-            x in [1, 3, 4, 5, 6, 7, 8] for x in applicant.status
+            x in (1, 3, 4, 5, 6, 7, 8) for x in applicant.status
         )  # 2 and 8 are closed applications, others are open
         if status:
             await ctx.respond(embed=embeds().ongoing(), ephemeral=True)