diff --git a/redbot/__main__.py b/redbot/__main__.py
index 84eb5f6b1..812cbab0f 100644
--- a/redbot/__main__.py
+++ b/redbot/__main__.py
@@ -319,7 +319,7 @@ def handle_edit(cli_flags: Namespace):
 async def run_bot(red: Red, cli_flags: Namespace) -> None:
     """
     This runs the bot.
-    
+
     Any shutdown which is a result of not being able to log in needs to raise
     a SystemExit exception.
 
diff --git a/redbot/cogs/admin/admin.py b/redbot/cogs/admin/admin.py
index 077756389..293cc9410 100644
--- a/redbot/cogs/admin/admin.py
+++ b/redbot/cogs/admin/admin.py
@@ -76,7 +76,8 @@ class Admin(commands.Cog):
         self.config.register_global(serverlocked=False, schema_version=0)
 
         self.config.register_guild(
-            announce_channel=None, selfroles=[],  # Integer ID  # List of integer ID's
+            announce_channel=None,  # Integer ID
+            selfroles=[],  # List of integer ID's
         )
 
         self.__current_announcer = None
diff --git a/redbot/cogs/alias/alias_entry.py b/redbot/cogs/alias/alias_entry.py
index 2ac5a2779..99ac166bb 100644
--- a/redbot/cogs/alias/alias_entry.py
+++ b/redbot/cogs/alias/alias_entry.py
@@ -24,7 +24,7 @@ class AliasEntry:
     uses: int
 
     def __init__(
-        self, name: str, command: Union[Tuple[str], str], creator: int, guild: Optional[int],
+        self, name: str, command: Union[Tuple[str], str], creator: int, guild: Optional[int]
     ):
         super().__init__()
         self.name = name
@@ -161,7 +161,7 @@ class AliasCache:
         return aliases
 
     async def get_alias(
-        self, guild: Optional[discord.Guild], alias_name: str,
+        self, guild: Optional[discord.Guild], alias_name: str
     ) -> Optional[AliasEntry]:
         """Returns an AliasEntry object if the provided alias_name is a registered alias"""
         server_aliases: List[AliasEntry] = []
diff --git a/redbot/cogs/audio/apis/interface.py b/redbot/cogs/audio/apis/interface.py
index c2ce5132e..b243b5819 100644
--- a/redbot/cogs/audio/apis/interface.py
+++ b/redbot/cogs/audio/apis/interface.py
@@ -102,7 +102,9 @@ class AudioAPIInterface:
         return track
 
     async def route_tasks(
-        self, action_type: str = None, data: Union[List[MutableMapping], MutableMapping] = None,
+        self,
+        action_type: str = None,
+        data: Union[List[MutableMapping], MutableMapping] = None,
     ) -> None:
         """Separate the tasks and run them in the appropriate functions"""
 
diff --git a/redbot/cogs/audio/apis/youtube.py b/redbot/cogs/audio/apis/youtube.py
index 307fed116..0f97dcf94 100644
--- a/redbot/cogs/audio/apis/youtube.py
+++ b/redbot/cogs/audio/apis/youtube.py
@@ -33,7 +33,7 @@ class YouTubeWrapper:
     def update_token(self, new_token: Mapping[str, str]):
         self._token = new_token
 
-    async def _get_api_key(self,) -> str:
+    async def _get_api_key(self) -> str:
         """Get the stored youtube token"""
         if not self._token:
             self._token = await self.bot.get_shared_api_tokens("youtube")
diff --git a/redbot/cogs/audio/core/events/dpy.py b/redbot/cogs/audio/core/events/dpy.py
index 1d7e672d8..6f5b40639 100644
--- a/redbot/cogs/audio/core/events/dpy.py
+++ b/redbot/cogs/audio/core/events/dpy.py
@@ -78,12 +78,12 @@ class DpyEvents(MixinMeta, metaclass=CompositeMetaClass):
         if isinstance(error, commands.ArgParserFailure):
             handled = True
             msg = _("`{user_input}` is not a valid value for `{command}`").format(
-                user_input=error.user_input, command=error.cmd,
+                user_input=error.user_input, command=error.cmd
             )
             if error.custom_help_msg:
                 msg += f"\n{error.custom_help_msg}"
             await self.send_embed_msg(
-                ctx, title=_("Unable To Parse Argument"), description=msg, error=True,
+                ctx, title=_("Unable To Parse Argument"), description=msg, error=True
             )
             if error.send_cmd_help:
                 await ctx.send_help()
@@ -101,7 +101,7 @@ class DpyEvents(MixinMeta, metaclass=CompositeMetaClass):
                     )
                 else:
                     await self.send_embed_msg(
-                        ctx, title=_("Invalid Argument"), description=error.args[0], error=True,
+                        ctx, title=_("Invalid Argument"), description=error.args[0], error=True
                     )
             else:
                 await ctx.send_help()
diff --git a/redbot/cogs/audio/manager.py b/redbot/cogs/audio/manager.py
index 0d39afb06..f0a9ef24b 100644
--- a/redbot/cogs/audio/manager.py
+++ b/redbot/cogs/audio/manager.py
@@ -146,8 +146,10 @@ class ServerManager:
     @staticmethod
     async def _get_java_version() -> Tuple[int, int]:
         """This assumes we've already checked that java exists."""
-        _proc: asyncio.subprocess.Process = await asyncio.create_subprocess_exec(  # pylint:disable=no-member
-            "java", "-version", stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE
+        _proc: asyncio.subprocess.Process = (
+            await asyncio.create_subprocess_exec(  # pylint:disable=no-member
+                "java", "-version", stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE
+            )
         )
         # java -version outputs to stderr
         _, err = await _proc.communicate()
diff --git a/redbot/cogs/cleanup/cleanup.py b/redbot/cogs/cleanup/cleanup.py
index 1c1e426d6..3703b5105 100644
--- a/redbot/cogs/cleanup/cleanup.py
+++ b/redbot/cogs/cleanup/cleanup.py
@@ -416,10 +416,9 @@ class Cleanup(commands.Cog):
             is_cc = lambda name: False
         alias_cog = self.bot.get_cog("Alias")
         if alias_cog is not None:
-            alias_names: Set[str] = (
-                set((a.name for a in await alias_cog._aliases.get_global_aliases()))
-                | set(a.name for a in await alias_cog._aliases.get_guild_aliases(ctx.guild))
-            )
+            alias_names: Set[str] = set(
+                a.name for a in await alias_cog._aliases.get_global_aliases()
+            ) | set(a.name for a in await alias_cog._aliases.get_guild_aliases(ctx.guild))
             is_alias = lambda name: name in alias_names
         else:
             is_alias = lambda name: False
@@ -559,7 +558,7 @@ class Cleanup(commands.Cog):
                 return False
 
         to_delete = await self.get_messages_for_deletion(
-            channel=ctx.channel, limit=number, check=check, before=ctx.message,
+            channel=ctx.channel, limit=number, check=check, before=ctx.message
         )
 
         if len(to_delete) > 100:
diff --git a/redbot/cogs/downloader/downloader.py b/redbot/cogs/downloader/downloader.py
index 131c64a1b..f2a6a16e3 100644
--- a/redbot/cogs/downloader/downloader.py
+++ b/redbot/cogs/downloader/downloader.py
@@ -40,7 +40,7 @@ class Downloader(commands.Cog):
 
     Community cogs, also called third party cogs, are not included
     in the default Red install.
-    
+
     Community cogs come in repositories. Repos are a group of cogs
     you can install. You always need to add the creator's repository
     using the `[p]repo` command before you can install one or more
@@ -545,7 +545,9 @@ class Downloader(commands.Cog):
             )
         except OSError:
             log.exception(
-                "Something went wrong trying to add repo %s under name %s", repo_url, name,
+                "Something went wrong trying to add repo %s under name %s",
+                repo_url,
+                name,
             )
             await ctx.send(
                 _(
diff --git a/redbot/cogs/downloader/repo_manager.py b/redbot/cogs/downloader/repo_manager.py
index 348a50328..caf4dac74 100644
--- a/redbot/cogs/downloader/repo_manager.py
+++ b/redbot/cogs/downloader/repo_manager.py
@@ -1153,11 +1153,11 @@ class RepoManager:
     async def update_repos(
         self, repos: Optional[Iterable[Repo]] = None
     ) -> Tuple[Dict[Repo, Tuple[str, str]], List[str]]:
-        """Calls `Repo.update` on passed repositories and 
+        """Calls `Repo.update` on passed repositories and
         catches failing ones.
-        
+
         Calling without params updates all currently installed repos.
-        
+
         Parameters
         ----------
         repos: Iterable
@@ -1168,7 +1168,7 @@ class RepoManager:
         tuple of Dict and list
             A mapping of `Repo` objects that received new commits to
             a 2-`tuple` of `str` containing old and new commit hashes.
-            
+
             `list` of failed `Repo` names
         """
         failed = []
diff --git a/redbot/cogs/economy/economy.py b/redbot/cogs/economy/economy.py
index 987b75be1..cd372ca59 100644
--- a/redbot/cogs/economy/economy.py
+++ b/redbot/cogs/economy/economy.py
@@ -550,7 +550,8 @@ class Economy(commands.Cog):
                     embed.description = box(temp_msg, lang="md")
                     embed.set_footer(
                         text=footer_message.format(
-                            page_num=len(highscores) + 1, page_len=ceil(len(bank_sorted) / 10),
+                            page_num=len(highscores) + 1,
+                            page_len=ceil(len(bank_sorted) / 10),
                         )
                     )
                     highscores.append(embed)
@@ -565,7 +566,8 @@ class Economy(commands.Cog):
                 embed.description = box(temp_msg, lang="md")
                 embed.set_footer(
                     text=footer_message.format(
-                        page_num=len(highscores) + 1, page_len=ceil(len(bank_sorted) / 10),
+                        page_num=len(highscores) + 1,
+                        page_len=ceil(len(bank_sorted) / 10),
                     )
                 )
                 highscores.append(embed)
diff --git a/redbot/cogs/general/general.py b/redbot/cogs/general/general.py
index 59c3d62d0..39bf56237 100644
--- a/redbot/cogs/general/general.py
+++ b/redbot/cogs/general/general.py
@@ -248,14 +248,15 @@ class General(commands.Cog):
     async def serverinfo(self, ctx, details: bool = False):
         """
         Show server information.
-    
+
         `details`: Shows more information when set to `True`.
         Default to False.
         """
         guild = ctx.guild
         passed = (ctx.message.created_at - guild.created_at).days
         created_at = _("Created on {date}. That's over {num} days ago!").format(
-            date=guild.created_at.strftime("%d %b %Y %H:%M"), num=humanize_number(passed),
+            date=guild.created_at.strftime("%d %b %Y %H:%M"),
+            num=humanize_number(passed),
         )
         online = humanize_number(
             len([m.status for m in guild.members if m.status != discord.Status.offline])
diff --git a/redbot/cogs/mod/mod.py b/redbot/cogs/mod/mod.py
index 854e6944d..986cef5f9 100644
--- a/redbot/cogs/mod/mod.py
+++ b/redbot/cogs/mod/mod.py
@@ -194,7 +194,7 @@ class Mod(
     @commands.is_owner()
     async def movedeletedelay(self, ctx: commands.Context) -> None:
         """
-            Move deletedelay settings to core
+        Move deletedelay settings to core
         """
         all_guilds = await self.config.all_guilds()
         for guild_id, settings in all_guilds.items():
diff --git a/redbot/cogs/permissions/converters.py b/redbot/cogs/permissions/converters.py
index cd90f5319..a19a6a6ba 100644
--- a/redbot/cogs/permissions/converters.py
+++ b/redbot/cogs/permissions/converters.py
@@ -48,7 +48,7 @@ class GlobalUniqueObjectFinder(commands.Converter):
             async for guild in AsyncIter(bot.guilds, steps=100)
         ]
 
-        objects = itertools.chain(bot.get_all_channels(), bot.users, bot.guilds, *all_roles,)
+        objects = itertools.chain(bot.get_all_channels(), bot.users, bot.guilds, *all_roles)
 
         maybe_matches = []
         async for obj in AsyncIter(objects, steps=100):
diff --git a/redbot/cogs/permissions/permissions.py b/redbot/cogs/permissions/permissions.py
index 6e386bcf5..f19636ed8 100644
--- a/redbot/cogs/permissions/permissions.py
+++ b/redbot/cogs/permissions/permissions.py
@@ -453,7 +453,7 @@ class Permissions(commands.Cog):
         `<cog_or_command>` is the cog or command to remove the rule
         from. This is case sensitive.
 
-       `<who_or_what>` is one or more users, channels or roles the rule is for.
+        `<who_or_what>` is one or more users, channels or roles the rule is for.
         """
         if not who_or_what:
             await ctx.send_help()
diff --git a/redbot/cogs/reports/reports.py b/redbot/cogs/reports/reports.py
index 564431a59..8df3eadab 100644
--- a/redbot/cogs/reports/reports.py
+++ b/redbot/cogs/reports/reports.py
@@ -27,7 +27,7 @@ class Reports(commands.Cog):
 
     Users can open reports using `[p]report`. These are then sent
     to a channel in the server for staff, and the report creator
-    gets a DM. Both can be used to communicate. 
+    gets a DM. Both can be used to communicate.
     """
 
     default_guild_settings = {"output_channel": None, "active": False, "next_ticket": 1}
diff --git a/redbot/cogs/streams/streams.py b/redbot/cogs/streams/streams.py
index 653c7d28c..fdb33f31a 100644
--- a/redbot/cogs/streams/streams.py
+++ b/redbot/cogs/streams/streams.py
@@ -207,7 +207,9 @@ class Streams(commands.Cog):
         await self.maybe_renew_twitch_bearer_token()
         token = (await self.bot.get_shared_api_tokens("twitch")).get("client_id")
         stream = TwitchStream(
-            name=channel_name, token=token, bearer=self.ttv_bearer_cache.get("access_token", None),
+            name=channel_name,
+            token=token,
+            bearer=self.ttv_bearer_cache.get("access_token", None),
         )
         await self.check_online(ctx, stream)
 
diff --git a/redbot/cogs/warnings/warnings.py b/redbot/cogs/warnings/warnings.py
index 413fd7d76..89e35830c 100644
--- a/redbot/cogs/warnings/warnings.py
+++ b/redbot/cogs/warnings/warnings.py
@@ -314,7 +314,8 @@ class Warnings(commands.Cog):
             for r, v in registered_reasons.items():
                 if await ctx.embed_requested():
                     em = discord.Embed(
-                        title=_("Reason: {name}").format(name=r), description=v["description"],
+                        title=_("Reason: {name}").format(name=r),
+                        description=v["description"],
                     )
                     em.add_field(name=_("Points"), value=str(v["points"]))
                     msg_list.append(em)
@@ -343,7 +344,9 @@ class Warnings(commands.Cog):
                     em = discord.Embed(title=_("Action: {name}").format(name=r["action_name"]))
                     em.add_field(name=_("Points"), value="{}".format(r["points"]), inline=False)
                     em.add_field(
-                        name=_("Exceed command"), value=r["exceed_command"], inline=False,
+                        name=_("Exceed command"),
+                        value=r["exceed_command"],
+                        inline=False,
                     )
                     em.add_field(name=_("Drop command"), value=r["drop_command"], inline=False)
                     msg_list.append(em)
@@ -436,7 +439,10 @@ class Warnings(commands.Cog):
                 title = _("Warning from {user}").format(user=ctx.author)
             else:
                 title = _("Warning")
-            em = discord.Embed(title=title, description=reason_type["description"],)
+            em = discord.Embed(
+                title=title,
+                description=reason_type["description"],
+            )
             em.add_field(name=_("Points"), value=str(reason_type["points"]))
             try:
                 await user.send(
@@ -462,14 +468,18 @@ class Warnings(commands.Cog):
                 title = _("Warning from {user}").format(user=ctx.author)
             else:
                 title = _("Warning")
-            em = discord.Embed(title=title, description=reason_type["description"],)
+            em = discord.Embed(
+                title=title,
+                description=reason_type["description"],
+            )
             em.add_field(name=_("Points"), value=str(reason_type["points"]))
             warn_channel = self.bot.get_channel(guild_settings["warn_channel"])
             if warn_channel:
                 if warn_channel.permissions_for(guild.me).send_messages:
                     with contextlib.suppress(discord.HTTPException):
                         await warn_channel.send(
-                            _("{user} has been warned.").format(user=user.mention), embed=em,
+                            _("{user} has been warned.").format(user=user.mention),
+                            embed=em,
                         )
 
             if not dm_failed:
diff --git a/redbot/core/bot.py b/redbot/core/bot.py
index ca41320d7..2ffc7395a 100644
--- a/redbot/core/bot.py
+++ b/redbot/core/bot.py
@@ -1422,8 +1422,10 @@ class RedBase(
         await self._red_ready.wait()
 
     async def _delete_delay(self, ctx: commands.Context):
-        """Currently used for:
-            * delete delay"""
+        """
+        Currently used for:
+          * delete delay
+        """
         guild = ctx.guild
         if guild is None:
             return
diff --git a/redbot/core/cli.py b/redbot/core/cli.py
index 54e401d08..5fc1adf36 100644
--- a/redbot/core/cli.py
+++ b/redbot/core/cli.py
@@ -235,7 +235,7 @@ def parse_cli_flags(args):
         help="Set the maximum number of messages to store in the internal message cache.",
     )
     parser.add_argument(
-        "--no-message-cache", action="store_true", help="Disable the internal message cache.",
+        "--no-message-cache", action="store_true", help="Disable the internal message cache."
     )
 
     args = parser.parse_args(args)
diff --git a/redbot/core/commands/commands.py b/redbot/core/commands/commands.py
index 7fb79d2f1..03cd68b7d 100644
--- a/redbot/core/commands/commands.py
+++ b/redbot/core/commands/commands.py
@@ -1026,7 +1026,7 @@ class Cog(CogMixin, DPYCog, metaclass=DPYCogMeta):
 
     .. warning::
 
-        None of your methods should start with ``red_`` or 
+        None of your methods should start with ``red_`` or
         be dunder names which start with red (eg. ``__red_test_thing__``)
         unless to override behavior in a method designed to be overriden,
         as this prefix is reserved for future methods in order to be
diff --git a/redbot/core/commands/converter.py b/redbot/core/commands/converter.py
index 8bbf84ba8..73adec6ae 100644
--- a/redbot/core/commands/converter.py
+++ b/redbot/core/commands/converter.py
@@ -75,7 +75,7 @@ def parse_timedelta(
     """
     This converts a user provided string into a timedelta
 
-    The units should be in order from largest to smallest. 
+    The units should be in order from largest to smallest.
     This works with or without whitespace.
 
     Parameters
diff --git a/redbot/core/commands/help.py b/redbot/core/commands/help.py
index ab967d652..9ad76bef4 100644
--- a/redbot/core/commands/help.py
+++ b/redbot/core/commands/help.py
@@ -623,7 +623,10 @@ class RedHelpFormatter(HelpFormatterABC):
 
     @staticmethod
     async def help_filter_func(
-        ctx, objects: Iterable[SupportsCanSee], help_settings: HelpSettings, bypass_hidden=False,
+        ctx,
+        objects: Iterable[SupportsCanSee],
+        help_settings: HelpSettings,
+        bypass_hidden=False,
     ) -> AsyncIterator[SupportsCanSee]:
         """
         This does most of actual filtering.
diff --git a/redbot/core/core_commands.py b/redbot/core/core_commands.py
index ad9b7e873..08fd84b36 100644
--- a/redbot/core/core_commands.py
+++ b/redbot/core/core_commands.py
@@ -443,7 +443,7 @@ class Core(commands.commands._RuleDropper, commands.Cog, CoreLogic):
             await ctx.send(embed=embed)
         else:
             python_version = "{}.{}.{}".format(*sys.version_info[:3])
-            dpy_version = "{}".format(discord.__version__,)
+            dpy_version = "{}".format(discord.__version__)
             red_version = "{}".format(__version__)
 
             about = _(
diff --git a/redbot/core/data_manager.py b/redbot/core/data_manager.py
index 06ceb7d79..1472d9dce 100644
--- a/redbot/core/data_manager.py
+++ b/redbot/core/data_manager.py
@@ -124,7 +124,7 @@ def cog_data_path(cog_instance=None, raw_name: str = None) -> Path:
     Parameters
     ----------
     cog_instance
-        The instance of the cog you wish to get a data path for. 
+        The instance of the cog you wish to get a data path for.
         If calling from a command or method of your cog, this should be ``self``.
     raw_name : str
         The name of the cog to get a data path for.
diff --git a/redbot/core/events.py b/redbot/core/events.py
index 9763f96b8..6d0836a53 100644
--- a/redbot/core/events.py
+++ b/redbot/core/events.py
@@ -115,7 +115,7 @@ def init_events(bot, cli_flags):
                     "**we highly recommend you to read the update docs at <{docs}> and "
                     "make sure there is nothing else that "
                     "needs to be done during the update.**"
-                ).format(docs="https://docs.discord.red/en/stable/update_red.html",)
+                ).format(docs="https://docs.discord.red/en/stable/update_red.html")
                 if expected_version(current_python, py_version_req):
                     installed_extras = []
                     for extra, reqs in red_pkg._dep_map.items():
@@ -142,8 +142,10 @@ def init_events(bot, cli_flags):
                         if platform.system() == "Windows"
                         else _("Terminal")
                     )
-                    extra_update += '```"{python}" -m pip install -U Red-DiscordBot{package_extras}```'.format(
-                        python=sys.executable, package_extras=package_extras
+                    extra_update += (
+                        '```"{python}" -m pip install -U Red-DiscordBot{package_extras}```'.format(
+                            python=sys.executable, package_extras=package_extras
+                        )
                     )
 
                 else:
@@ -222,7 +224,7 @@ def init_events(bot, cli_flags):
             await ctx.send_help()
         elif isinstance(error, commands.ArgParserFailure):
             msg = _("`{user_input}` is not a valid value for `{command}`").format(
-                user_input=error.user_input, command=error.cmd,
+                user_input=error.user_input, command=error.cmd
             )
             if error.custom_help_msg:
                 msg += f"\n{error.custom_help_msg}"
diff --git a/redbot/core/settings_caches.py b/redbot/core/settings_caches.py
index 8d5635379..aeabb76ca 100644
--- a/redbot/core/settings_caches.py
+++ b/redbot/core/settings_caches.py
@@ -14,9 +14,9 @@ from .utils import AsyncIter
 class PrefixManager:
     def __init__(self, config: Config, cli_flags: Namespace):
         self._config: Config = config
-        self._global_prefix_overide: Optional[List[str]] = sorted(
-            cli_flags.prefix, reverse=True
-        ) or None
+        self._global_prefix_overide: Optional[List[str]] = (
+            sorted(cli_flags.prefix, reverse=True) or None
+        )
         self._cached: Dict[Optional[int], List[str]] = {}
 
     async def get_prefixes(self, guild: Optional[discord.Guild] = None) -> List[str]:
diff --git a/redbot/core/utils/__init__.py b/redbot/core/utils/__init__.py
index bbe31b2a2..1f5bb83f2 100644
--- a/redbot/core/utils/__init__.py
+++ b/redbot/core/utils/__init__.py
@@ -154,7 +154,7 @@ async def _sem_wrapper(sem, task):
 
 
 def bounded_gather_iter(
-    *coros_or_futures, limit: int = 4, semaphore: Optional[Semaphore] = None,
+    *coros_or_futures, limit: int = 4, semaphore: Optional[Semaphore] = None
 ) -> Iterator[Awaitable[Any]]:
     """
     An iterator that returns tasks as they are ready, but limits the
diff --git a/redbot/core/utils/menus.py b/redbot/core/utils/menus.py
index 935bc09f4..f697926c3 100644
--- a/redbot/core/utils/menus.py
+++ b/redbot/core/utils/menus.py
@@ -169,7 +169,7 @@ async def close_menu(
 
 
 def start_adding_reactions(
-    message: discord.Message, emojis: Iterable[_ReactableEmoji],
+    message: discord.Message, emojis: Iterable[_ReactableEmoji]
 ) -> asyncio.Task:
     """Start adding reactions to a message.
 
diff --git a/setup.cfg b/setup.cfg
index 1ce1c9acf..51a6c75b8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -87,7 +87,8 @@ docs =
 postgres =
     asyncpg==0.20.1
 style =
-    black==19.10b0
+    black==20.8b1
+    mypy-extensions==0.4.3
     pathspec==0.8.0
     regex==2020.7.14
     toml==0.10.1