diff --git a/setup.py b/setup.py
index 4ab335a..be9c820 100644
--- a/setup.py
+++ b/setup.py
@@ -1,12 +1,12 @@
 from setuptools import setup
 
 setup(
-    name='v6d2ctx',
-    version='',
-    packages=['v6d2ctx', 'v6d2ctx.integration'],
-    url='',
-    license='',
-    author='PARRRATE T&V',
-    author_email='',
-    description=''
+    name="v6d2ctx",
+    version="",
+    packages=["v6d2ctx", "v6d2ctx.integration"],
+    url="",
+    license="",
+    author="PARRRATE T&V",
+    author_email="",
+    description="",
 )
diff --git a/v6d2ctx/at_of.py b/v6d2ctx/at_of.py
index e01ac74..911f32c 100644
--- a/v6d2ctx/at_of.py
+++ b/v6d2ctx/at_of.py
@@ -2,11 +2,11 @@ from typing import Callable, Generic, TypeVar
 
 from .context import *
 
-__all__ = ('AtOf',)
+__all__ = ("AtOf",)
 
 
-K = TypeVar('K')
-V = TypeVar('V')
+K = TypeVar("K")
+V = TypeVar("V")
 
 
 class AtOf(Generic[K, V]):
@@ -17,6 +17,7 @@ class AtOf(Generic[K, V]):
             def wrap(value: V) -> V:
                 bucket[key] = value
                 return value
+
             return wrap
 
         def of(key: K) -> V:
diff --git a/v6d2ctx/context.py b/v6d2ctx/context.py
index 9832a63..da5a788 100644
--- a/v6d2ctx/context.py
+++ b/v6d2ctx/context.py
@@ -3,7 +3,7 @@ from typing import Awaitable, Callable, Optional, Union
 
 import discord
 
-__all__ = ('usertype', 'Context', 'escape', 'command_type', 'Explicit', 'Implicit')
+__all__ = ("usertype", "Context", "escape", "command_type", "Explicit", "Implicit")
 
 usertype = Union[discord.abc.User, discord.user.BaseUser, discord.Member, discord.User]
 
@@ -23,7 +23,7 @@ class Context:
 
     async def long(self, s: str):
         resio = StringIO(s)
-        res = ''
+        res = ""
         for line in resio:
             if len(res) + len(line) < 2000:
                 res += line
@@ -34,14 +34,14 @@ class Context:
             await self.reply(res)
 
 
-ESCAPED = '`_*\'"\\'
+ESCAPED = "`_*'\"\\"
 
 
 def escape(s: str):
     res = StringIO()
     for c in s:
         if c in ESCAPED:
-            c = '\\' + c
+            c = "\\" + c
         res.write(c)
     return res.getvalue()
 
diff --git a/v6d2ctx/handle_args.py b/v6d2ctx/handle_args.py
index c983419..4228eec 100644
--- a/v6d2ctx/handle_args.py
+++ b/v6d2ctx/handle_args.py
@@ -5,10 +5,12 @@ import discord
 from v6d2ctx.context import *
 from v6d2ctx.handle_command import *
 
-__all__ = ('handle_args',)
+__all__ = ("handle_args",)
 
 
-async def handle_args(of: Callable[[str], command_type], message: discord.Message, args: list[str], client: discord.Client):
+async def handle_args(
+    of: Callable[[str], command_type], message: discord.Message, args: list[str], client: discord.Client
+):
     match args:
         case []:
             return
diff --git a/v6d2ctx/handle_command.py b/v6d2ctx/handle_command.py
index 196499b..1424c50 100644
--- a/v6d2ctx/handle_command.py
+++ b/v6d2ctx/handle_command.py
@@ -2,7 +2,7 @@ from typing import Callable
 
 from v6d2ctx.context import *
 
-__all__ = ('handle_command',)
+__all__ = ("handle_command",)
 
 
 async def handle_command(of: Callable[[str], command_type], ctx: Context, name: str, args: list[str]) -> None:
diff --git a/v6d2ctx/handle_content.py b/v6d2ctx/handle_content.py
index 99bfeb5..246eab9 100644
--- a/v6d2ctx/handle_content.py
+++ b/v6d2ctx/handle_content.py
@@ -6,10 +6,12 @@ import discord
 from v6d2ctx.context import *
 from v6d2ctx.handle_args import *
 
-__all__ = ('handle_content',)
+__all__ = ("handle_content",)
 
 
-async def handle_content(of: Callable[[str], command_type], message: discord.Message, content: str, prefix: str, client: discord.Client):
+async def handle_content(
+    of: Callable[[str], command_type], message: discord.Message, content: str, prefix: str, client: discord.Client
+):
     if message.author.bot:
         return
     if not content.startswith(prefix):
diff --git a/v6d2ctx/integration/event.py b/v6d2ctx/integration/event.py
index 7f8b4fb..960035d 100644
--- a/v6d2ctx/integration/event.py
+++ b/v6d2ctx/integration/event.py
@@ -1,4 +1,4 @@
-__all__ = ('Event', 'SendableEvents', 'ReceivableEvents', 'Events', 'Receiver')
+__all__ = ("Event", "SendableEvents", "ReceivableEvents", "Events", "Receiver")
 
 import asyncio
 from typing import Callable, Generic, TypeVar
@@ -13,9 +13,9 @@ class Event:
         raise NotImplementedError
 
 
-T = TypeVar('T', bound=Event)
-T_co = TypeVar('T_co', bound=Event, covariant=True)
-T_contra = TypeVar('T_contra', bound=Event, contravariant=True)
+T = TypeVar("T", bound=Event)
+T_co = TypeVar("T_co", bound=Event, covariant=True)
+T_contra = TypeVar("T_contra", bound=Event, contravariant=True)
 
 
 class Receiver(Generic[T_contra]):
diff --git a/v6d2ctx/integration/responsetype.py b/v6d2ctx/integration/responsetype.py
index 2181c0d..e41b5e0 100644
--- a/v6d2ctx/integration/responsetype.py
+++ b/v6d2ctx/integration/responsetype.py
@@ -1,8 +1,8 @@
-__all__ = ('ResponseType', 'cast_to_response')
+__all__ = ("ResponseType", "cast_to_response")
 
 from typing import Any, TypeAlias
 
-ResponseType: TypeAlias = list['ResponseType'] | dict[str, 'ResponseType'] | float | int | bool | str | None
+ResponseType: TypeAlias = list["ResponseType"] | dict[str, "ResponseType"] | float | int | bool | str | None
 
 
 def cast_to_response(target: Any) -> ResponseType:
diff --git a/v6d2ctx/integration/targets.py b/v6d2ctx/integration/targets.py
index eb58130..e5b7da4 100644
--- a/v6d2ctx/integration/targets.py
+++ b/v6d2ctx/integration/targets.py
@@ -1,4 +1,4 @@
-__all__ = ('Targets', 'JsonLike', 'Async')
+__all__ = ("Targets", "JsonLike", "Async")
 
 import abc
 from typing import Any, Callable, Generic, TypeVar
@@ -9,10 +9,10 @@ from .responsetype import *
 
 
 def qualname(t: type) -> str:
-    return f'{t.__module__}.{t.__qualname__}'
+    return f"{t.__module__}.{t.__qualname__}"
 
 
-T = TypeVar('T')
+T = TypeVar("T")
 
 
 class Flagful(Generic[T]):
@@ -29,13 +29,13 @@ class Targets:
 
     def register_target(self, targetname: str, target: Any, methodname: str, /, *flags: object) -> None:
         self.targets[targetname] = Flagful((target, methodname), set(flags))
-        print(f'registered          target: {targetname}')
+        print(f"registered          target: {targetname}")
 
     def register_type(self, target: type, methodname: str, /, *flags: object) -> None:
-        self.register_target(f'{qualname(target)}.{methodname}', target, methodname, *flags)
+        self.register_target(f"{qualname(target)}.{methodname}", target, methodname, *flags)
 
     def register_instance(self, target: object, methodname: str, /, *flags: object) -> None:
-        self.register_target(f'{qualname(target.__class__)}().{methodname}', target, methodname, *flags)
+        self.register_target(f"{qualname(target.__class__)}().{methodname}", target, methodname, *flags)
 
     def register_instrumentation(
         self,
@@ -45,7 +45,7 @@ class Targets:
         *flags: object,
     ) -> None:
         self.instrumentations[instrumentationname] = Flagful(instrumentation_factory, set(flags))
-        print(f'registered instrumentation: {instrumentationname}')
+        print(f"registered instrumentation: {instrumentationname}")
 
     def get_factory(
         self,
@@ -54,16 +54,14 @@ class Targets:
         methodname: str,
         instrumentationname: str,
         instrumentation_factory: Callable[[Any, str], Instrumentation],
-        /
+        /,
     ) -> Callable[[], Instrumentation]:
         if (targetname, instrumentationname) not in self.factories:
             flags_required = self.instrumentations[instrumentationname].flags
             flags_present = self.targets[targetname].flags
             if not flags_required.issubset(flags_present):
-                raise KeyError('target lacks flags required by instrumentation')
-            self.factories[targetname, instrumentationname] = (
-                lambda: instrumentation_factory(target, methodname)
-            )
+                raise KeyError("target lacks flags required by instrumentation")
+            self.factories[targetname, instrumentationname] = lambda: instrumentation_factory(target, methodname)
         return self.factories[targetname, instrumentationname]
 
 
diff --git a/v6d2ctx/lock_for.py b/v6d2ctx/lock_for.py
index 7e39e5b..af3a04d 100644
--- a/v6d2ctx/lock_for.py
+++ b/v6d2ctx/lock_for.py
@@ -3,7 +3,10 @@ from typing import Hashable
 
 from v6d2ctx.context import *
 
-__all__ = ('lock_for', 'Locks',)
+__all__ = (
+    "lock_for",
+    "Locks",
+)
 
 
 class Locks:
diff --git a/v6d2ctx/pain.py b/v6d2ctx/pain.py
index 36b9d6e..785fbae 100644
--- a/v6d2ctx/pain.py
+++ b/v6d2ctx/pain.py
@@ -5,7 +5,7 @@ import time
 
 from rainbowadn.instrument import Instrumentation
 
-__all__ = ('ALog', 'SLog', 'FrameTrace', 'ABlockMonitor')
+__all__ = ("ALog", "SLog", "FrameTrace", "ABlockMonitor")
 
 
 class ALog(Instrumentation):
@@ -70,7 +70,7 @@ class ABlockMonitor:
             delay = spent - delta
             if delay > self.threshold:
                 self.threshold = delay
-                print(f'block monitor reached new peak delay {delay:.4f}')
+                print(f"block monitor reached new peak delay {delay:.4f}")
             interval = self.interval
             if interval > 0:
                 await asyncio.sleep(interval)
diff --git a/v6d2ctx/serve.py b/v6d2ctx/serve.py
index a891cc2..2efaf06 100644
--- a/v6d2ctx/serve.py
+++ b/v6d2ctx/serve.py
@@ -3,7 +3,7 @@ import signal
 
 import discord
 
-__all__ = ('serve',)
+__all__ = ("serve",)
 
 
 def serve(main, client: discord.Client, loop: asyncio.AbstractEventLoop):