diff --git a/mipac/actions/channel.py b/mipac/actions/channel.py
index b27eddf..77a8c21 100644
--- a/mipac/actions/channel.py
+++ b/mipac/actions/channel.py
@@ -71,4 +71,3 @@ class ChannelActions(ClientChannelActions):
             Route('POST', '/api/channels/my-favorites'), auth=True
         )
         return [Channel(i, client=self._client) for i in res]
-
diff --git a/mipac/actions/drive.py b/mipac/actions/drive.py
index 4d99628..1060bdd 100644
--- a/mipac/actions/drive.py
+++ b/mipac/actions/drive.py
@@ -23,7 +23,7 @@ class FileActions(AbstractAction):
         self.__client: ClientManager = client
         self.__file_id = file_id
 
-    async def show_file(self, file_id: str | None, url: str | None) -> File:
+    async def show_file(self, file_id: str | None = None, url: str | None = None) -> File:
         """
         ファイルの情報を取得します。
 
diff --git a/mipac/config.py b/mipac/config.py
index d010dce..51c1164 100644
--- a/mipac/config.py
+++ b/mipac/config.py
@@ -17,6 +17,7 @@ class CacheConfig:
 IMisskeyDistribution = Literal['ayuskey', 'm544', 'areionskey', 'official']
 IMisskeyVersions = Literal[13, 12, 11]
 
+
 class ILimits(TypedDict, total=False):
     channel_name: int
     channel_description: int
diff --git a/mipac/manager/channel.py b/mipac/manager/channel.py
index 9094779..5f1d2af 100644
--- a/mipac/manager/channel.py
+++ b/mipac/manager/channel.py
@@ -1,4 +1,3 @@
-
 from __future__ import annotations
 from typing import TYPE_CHECKING
 
@@ -11,11 +10,15 @@ if TYPE_CHECKING:
 
 
 class ChannelManager(AbstractManager):
-    def __init__(self, channel_id: str | None = None, *, session: HTTPClient, client: ClientManager):
+    def __init__(
+        self, channel_id: str | None = None, *, session: HTTPClient, client: ClientManager
+    ):
         self.__channel_id: str | None = channel_id
         self.__session: HTTPClient = session
         self.__client: ClientManager = client
 
     @property
     def action(self) -> ChannelActions:
-        return ChannelActions(channel_id=self.__channel_id, session=self.__session, client=self.__client)
+        return ChannelActions(
+            channel_id=self.__channel_id, session=self.__session, client=self.__client
+        )
diff --git a/mipac/models/lite/channel.py b/mipac/models/lite/channel.py
index dbe0787..5183da0 100644
--- a/mipac/models/lite/channel.py
+++ b/mipac/models/lite/channel.py
@@ -8,7 +8,7 @@ from mipac.utils.format import str_to_datetime
 if TYPE_CHECKING:
     from mipac.manager import ClientManager
     from mipac.manager.channel import ChannelManager
-    
+
 
 T = TypeVar('T', bound=IChannelLite)
 
diff --git a/mipac/models/note.py b/mipac/models/note.py
index 37267ec..fb48276 100644
--- a/mipac/models/note.py
+++ b/mipac/models/note.py
@@ -206,7 +206,6 @@ class Note(PartialNote[INote]):
         return Poll(self._note['poll'], client=self._client) if 'poll' in self._note else None
 
 
-
 class NoteTranslateResult:
     """
     NoteTranslateResult
diff --git a/mipac/types/endpoints.py b/mipac/types/endpoints.py
index 6686fd0..65f86e8 100644
--- a/mipac/types/endpoints.py
+++ b/mipac/types/endpoints.py
@@ -359,5 +359,5 @@ ENDPOINTS = Literal[
     '/api/channels/search',
     '/api/emoji',
     '/api/roles/notes',
-    '/api/users/update-memo'
+    '/api/users/update-memo',
 ]
diff --git a/mipac/utils/util.py b/mipac/utils/util.py
index 7354e43..dac38c4 100644
--- a/mipac/utils/util.py
+++ b/mipac/utils/util.py
@@ -66,4 +66,5 @@ class Colors:
         self.green = '\x1b[92;1m'
         self.reset = '\x1b[0m'
 
+
 COLORS = Colors()