I think it will always be valid. (remove Deserializable.check_json)

aiogram/types/animation.py

@@ -18,8 +18,6 @@ class Animation(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         file_id = raw_data.get('file_id')
         thumb = PhotoSize.deserialize(raw_data.get('thumb'))
         file_name = raw_data.get('file_name')

aiogram/types/audio.py

@@ -17,8 +17,6 @@ class Audio(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         file_id = raw_data.get('file_id')
         duration = raw_data.get('duration')
         performer = raw_data.get('performer')

aiogram/types/base.py

@@ -102,22 +102,6 @@ class Deserializable:
         """
         raise NotImplementedError
 
-    @staticmethod
-    def check_json(raw_data) -> dict:
-        """
-        Checks whether json_type is a dict or a string. If it is already a dict, it is returned as-is.
-        If it is not, it is converted to a dict by means of json.loads(json_type)
-        :param raw_data:
-        :return:
-        """
-
-        if isinstance(raw_data, dict):
-            return raw_data
-        elif isinstance(raw_data, str):
-            return json.loads(raw_data)
-        else:
-            raise ValueError("data should be a json dict or string.")
-
     def __str__(self):
         return str(self.to_json())
 

aiogram/types/callback_query.py

@@ -28,8 +28,6 @@ class CallbackQuery(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         id = raw_data.get('id')
         from_user = User.deserialize(raw_data.get('from'))
         message = Message.deserialize(raw_data.get('message'))

aiogram/types/chat.py

@@ -25,8 +25,6 @@ class Chat(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data) -> 'Chat':
-        raw_data = cls.check_json(raw_data)
-
         id: int = raw_data.get('id')
         type: str = raw_data.get('type')
         title: str = raw_data.get('title')

aiogram/types/chat_member.py

@@ -41,8 +41,6 @@ class ChatMember(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         user = User.deserialize(raw_data.get('user'))
         status = raw_data.get('status')
 

aiogram/types/chat_photo.py

@@ -14,8 +14,6 @@ class ChatPhoto(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         small_file_id = raw_data.get('small_file_id')
         big_file_id = raw_data.get('big_file_id')
 

aiogram/types/chosen_inline_result.py

@@ -18,8 +18,6 @@ class ChosenInlineResult(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         result_id = raw_data.get('result_id')
         from_user = User.deserialize(raw_data.get('from'))
         location = Location.deserialize(raw_data.get('location'))

aiogram/types/contact.py

@@ -15,8 +15,6 @@ class Contact(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         phone_number = raw_data.get('phone_number')
         first_name = raw_data.get('first_name')
         last_name = raw_data.get('last_name')

aiogram/types/document.py

@@ -17,8 +17,6 @@ class Document(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         file_id = raw_data.get('file_id')
         thumb = PhotoSize.deserialize(raw_data.get('thumb'))
         file_name = raw_data.get('file_name')

aiogram/types/file.py

@@ -19,8 +19,6 @@ class File(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         file_id = raw_data.get('file_id')
         file_size = raw_data.get('file_size')
         file_path = raw_data.get('file_path')

aiogram/types/game.py

@@ -22,8 +22,6 @@ class Game(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         title = raw_data.get('title')
         description = raw_data.get('description')
         photo = PhotoSize.deserialize(raw_data.get('photo'))

aiogram/types/game_high_score.py

@@ -15,8 +15,6 @@ class GameHighScore(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         position = raw_data.get('position')
         user = User.deserialize(raw_data.get('user'))
         score = raw_data.get('score')

aiogram/types/inline_query.py

@@ -20,8 +20,6 @@ class InlineQuery(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         id = raw_data.get('id')
         from_user = User.deserialize(raw_data.get('from'))
         location = Location.deserialize(raw_data.get('location'))

aiogram/types/invoice.py

@@ -16,8 +16,6 @@ class Invoice(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         title = raw_data.get('title')
         description = raw_data.get('description')
         start_parameter = raw_data.get('start_parameter')

aiogram/types/location.py

@@ -13,8 +13,6 @@ class Location(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         longitude = raw_data.get('longitude')
         latitude = raw_data.get('latitude')
 

aiogram/types/mask_position.py

@@ -16,8 +16,6 @@ class MaskPosition(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         point = raw_data.get('point')
         x_shift = raw_data.get('x_shift')
         y_shift = raw_data.get('y_shift')

aiogram/types/message.py

@@ -80,8 +80,6 @@ class Message(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         message_id = raw_data.get('message_id')
         from_user = User.deserialize(raw_data.get('from'))
         date = cls._parse_date(raw_data.get('date', 0))

aiogram/types/message_entity.py

@@ -20,8 +20,6 @@ class MessageEntity(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         type = raw_data.get('type')
         offset = raw_data.get('offset')
         length = raw_data.get('length')

aiogram/types/order_info.py

@@ -16,8 +16,6 @@ class OrderInfo(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         name = raw_data.get('name')
         phone_number = raw_data.get('phone_number')
         email = raw_data.get('email')

aiogram/types/photo_size.py

@@ -15,8 +15,6 @@ class PhotoSize(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         file_id = raw_data.get('file_id')
         width = raw_data.get('width')
         height = raw_data.get('height')

aiogram/types/pre_checkout_query.py

@@ -20,8 +20,6 @@ class PreCheckoutQuery(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         id = raw_data.get('id')
         from_user = User.deserialize(raw_data.get('from'))
         currency = raw_data.get('currency')

aiogram/types/response_parameters.py

@@ -13,8 +13,6 @@ class ResponseParameters(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        data = cls.check_json(raw_data)
-
         migrate_to_chat_id = data.get('migrate_to_chat_id')
         retry_after = data.get('retry_after')
 

aiogram/types/shipping_address.py

@@ -17,8 +17,6 @@ class ShippingAddress(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         country_code = raw_data.get('country_code')
         state = raw_data.get('state')
         city = raw_data.get('city')

aiogram/types/shipping_query.py

@@ -17,8 +17,6 @@ class ShippingQuery(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         id = raw_data.get('id')
         from_user = User.deserialize(raw_data.get('from'))
         invoice_payload = raw_data.get('invoice_payload')

aiogram/types/sticker.py

@@ -22,8 +22,6 @@ class Sticker(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         file_id = raw_data.get('file_id')
         width = raw_data.get('width')
         height = raw_data.get('height')

aiogram/types/sticker_set.py

@@ -17,8 +17,6 @@ class StickerSet(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         name = raw_data.get('name')
         title = raw_data.get('title')
         is_mask = raw_data.get('is_mask')

aiogram/types/successful_payment.py

@@ -20,8 +20,6 @@ class SuccessfulPayment(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         currency = raw_data.get('currency')
         total_amount = raw_data.get('total_amount')
         invoice_payload = raw_data.get('invoice_payload')

aiogram/types/update.py

@@ -32,8 +32,6 @@ class Update(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         update_id = raw_data.get('update_id')
         message = Message.deserialize(raw_data.get('message'))
         edited_message = Message.deserialize(raw_data.get('edited_message'))

aiogram/types/user.py

@@ -21,8 +21,6 @@ class User(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data: str or dict) -> 'User':
-        raw_data = cls.check_json(raw_data)
-
         id = raw_data.get('id')
         first_name = raw_data.get('first_name')
         last_name = raw_data.get('last_name')

aiogram/types/user_profile_photos.py

@@ -14,8 +14,6 @@ class UserProfilePhotos(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         total_count = raw_data.get('total_count')
         photos = [PhotoSize.deserialize(item) for item in raw_data.get('photos')]
 

aiogram/types/venue.py

@@ -16,8 +16,6 @@ class Venue(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         location = Location.deserialize(raw_data.get('location'))
         title = raw_data.get('title')
         address = raw_data.get('address')

aiogram/types/video.py

@@ -19,8 +19,6 @@ class Video(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         file_id = raw_data.get('file_id')
         width = raw_data.get('width')
         height = raw_data.get('height')

aiogram/types/video_note.py

@@ -17,8 +17,6 @@ class VideoNote(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         file_id = raw_data.get('file_id')
         length = raw_data.get('length')
         duration = raw_data.get('duration')

aiogram/types/voice.py

@@ -15,8 +15,6 @@ class Voice(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         file_id = raw_data.get('file_id')
         duration = raw_data.get('duration')
         mime_type = raw_data.get('mime_type')

aiogram/types/webhook_info.py

@@ -25,8 +25,6 @@ class WebhookInfo(Deserializable):
 
     @classmethod
     def de_json(cls, raw_data):
-        raw_data = cls.check_json(raw_data)
-
         url = raw_data.get('url')
         has_custom_certificate = raw_data.get('has_custom_certificate')
         pending_update_count = raw_data.get('pending_update_count')