diff --git a/aiogram/dispatcher/filters/builtin.py b/aiogram/dispatcher/filters/builtin.py
index 7a21ca3f..ebd38f08 100644
--- a/aiogram/dispatcher/filters/builtin.py
+++ b/aiogram/dispatcher/filters/builtin.py
@@ -4,7 +4,7 @@ import typing
 import warnings
 from contextvars import ContextVar
 from dataclasses import dataclass, field
-from typing import Any, Dict, Iterable, List, Optional, Union
+from typing import Any, Dict, Iterable, Optional, Union
 
 from babel.support import LazyProxy
 
diff --git a/aiogram/types/base.py b/aiogram/types/base.py
index 5ef774dd..3f8cda60 100644
--- a/aiogram/types/base.py
+++ b/aiogram/types/base.py
@@ -78,7 +78,7 @@ class TelegramObject(ContextInstanceMixin, metaclass=MetaTelegramObject):
     Abstract class for telegram objects
     """
 
-    def __init__(self, conf: typing.Dict[str, typing.Any]=None, **kwargs: typing.Any) -> None:
+    def __init__(self, conf: typing.Dict[str, typing.Any] = None, **kwargs: typing.Any) -> None:
         """
         Deserialize object
 
diff --git a/aiogram/types/bot_command.py b/aiogram/types/bot_command.py
index 39e38e4f..996d1735 100644
--- a/aiogram/types/bot_command.py
+++ b/aiogram/types/bot_command.py
@@ -12,4 +12,4 @@ class BotCommand(base.TelegramObject):
     description: base.String = fields.Field()
 
     def __init__(self, command: base.String, description: base.String):
-        super(BotCommand, self).__init__(command=command, description=description)
\ No newline at end of file
+        super(BotCommand, self).__init__(command=command, description=description)
diff --git a/aiogram/types/message.py b/aiogram/types/message.py
index c95b14b1..8c5d5d3a 100644
--- a/aiogram/types/message.py
+++ b/aiogram/types/message.py
@@ -3039,10 +3039,10 @@ class ContentType(helper.Helper):
     GROUP_CHAT_CREATED = helper.Item()  # group_chat_created
     PASSPORT_DATA = helper.Item()  # passport_data
     PROXIMITY_ALERT_TRIGGERED = helper.Item()  # proximity_alert_triggered
-    VOICE_CHAT_SCHEDULED = helper.Item() # voice_chat_scheduled
-    VOICE_CHAT_STARTED = helper.Item() # voice_chat_started
-    VOICE_CHAT_ENDED = helper.Item() # voice_chat_ended
-    VOICE_CHAT_PARTICIPANTS_INVITED = helper.Item() # voice_chat_participants_invited
+    VOICE_CHAT_SCHEDULED = helper.Item()  # voice_chat_scheduled
+    VOICE_CHAT_STARTED = helper.Item()  # voice_chat_started
+    VOICE_CHAT_ENDED = helper.Item()  # voice_chat_ended
+    VOICE_CHAT_PARTICIPANTS_INVITED = helper.Item()  # voice_chat_participants_invited
 
     UNKNOWN = helper.Item()  # unknown
     ANY = helper.Item()  # any
diff --git a/aiogram/types/message_entity.py b/aiogram/types/message_entity.py
index 9ee98c11..b2aaf425 100644
--- a/aiogram/types/message_entity.py
+++ b/aiogram/types/message_entity.py
@@ -48,12 +48,12 @@ class MessageEntity(base.TelegramObject):
         :return: part of text
         """
         if sys.maxunicode == 0xFFFF:
-            return text[self.offset : self.offset + self.length]
+            return text[self.offset: self.offset + self.length]
 
         entity_text = (
             text.encode("utf-16-le") if not isinstance(text, bytes) else text
         )
-        entity_text = entity_text[self.offset * 2 : (self.offset + self.length) * 2]
+        entity_text = entity_text[self.offset * 2: (self.offset + self.length) * 2]
         return entity_text.decode("utf-16-le")
 
     @deprecated(
diff --git a/aiogram/types/reply_keyboard.py b/aiogram/types/reply_keyboard.py
index 8455aff6..47efdbbe 100644
--- a/aiogram/types/reply_keyboard.py
+++ b/aiogram/types/reply_keyboard.py
@@ -129,7 +129,9 @@ class KeyboardButton(base.TelegramObject):
 
 class ReplyKeyboardRemove(base.TelegramObject):
     """
-    Upon receiving a message with this object, Telegram clients will remove the current custom keyboard and display the default letter-keyboard. By default, custom keyboards are displayed until a new keyboard is sent by a bot. An exception is made for one-time keyboards that are hidden immediately after the user presses a button (see ReplyKeyboardMarkup).
+    Upon receiving a message with this object, Telegram clients will remove the current custom keyboard
+    and display the default letter-keyboard. By default, custom keyboards are displayed until a new keyboard is sent by a bot.
+    An exception is made for one-time keyboards that are hidden immediately after the user presses a button (see ReplyKeyboardMarkup).
 
     https://core.telegram.org/bots/api#replykeyboardremove
     """
diff --git a/aiogram/types/sticker.py b/aiogram/types/sticker.py
index ea222831..afaeb31c 100644
--- a/aiogram/types/sticker.py
+++ b/aiogram/types/sticker.py
@@ -41,8 +41,6 @@ class Sticker(base.TelegramObject, mixins.Downloadable):
 
         Source: https://core.telegram.org/bots/api#deletestickerfromset
 
-        :param sticker: File identifier of the sticker
-        :type sticker: :obj:`base.String`
         :return: Returns True on success
         :rtype: :obj:`base.Boolean`
         """
diff --git a/aiogram/types/voice_chat_scheduled.py b/aiogram/types/voice_chat_scheduled.py
index c134eb0f..60655ebf 100644
--- a/aiogram/types/voice_chat_scheduled.py
+++ b/aiogram/types/voice_chat_scheduled.py
@@ -2,7 +2,6 @@ from datetime import datetime
 
 from . import base
 from . import fields
-from .user import User
 
 
 class VoiceChatScheduled(base.TelegramObject):