Update readme and typo

README.md

@@ -683,6 +683,7 @@ Result will be:
 
 ## API conformance
 
+* ✔ [Bot API 5.4](https://core.telegram.org/bots/api#november-5-2021)
 * ➕ [Bot API 5.3](https://core.telegram.org/bots/api#june-25-2021) - ChatMemberXXX classes are full copies of ChatMember
 * ✔ [Bot API 5.2](https://core.telegram.org/bots/api#april-26-2021)
 * ✔ [Bot API 5.1](https://core.telegram.org/bots/api#march-9-2021)

telebot/__init__.py

@@ -245,7 +245,6 @@ def enable_saving_states(self, filename="./.state-save/states.pkl"):
         Enable saving states (by default saving disabled)
 
         :param filename: Filename of saving file
-
         """
 
         self.current_states = StateFile(filename=filename)
@@ -1690,30 +1689,34 @@ def create_chat_invite_link(
 
         :param chat_id: Id: Unique identifier for the target chat or username of the target channel
             (in the format @channelusername)
+        :param name: Invite link name; 0-32 characters
         :param expire_date: Point in time (Unix timestamp) when the link will expire
         :param member_limit: Maximum number of users that can be members of the chat simultaneously
+        :param creates_join_request: True, if users joining the chat via the link need to be approved by chat administrators. If True, member_limit can't be specified
         :return:
         """
         return types.ChatInviteLink.de_json(
             apihelper.create_chat_invite_link(self.token, chat_id, name, expire_date, member_limit, creates_join_request)
         )
 
     def edit_chat_invite_link(
-            self, chat_id: Union[int, str], name: Optional[str]=None,
-            invite_link: Optional[str] = None, 
-            expire_date: Optional[Union[int, datetime]]=None, 
-            member_limit: Optional[int]=None ,
+            self, chat_id: Union[int, str],
+            invite_link: Optional[str] = None,
+            name: Optional[str]=None,
+            expire_date: Optional[Union[int, datetime]]=None,
+            member_limit: Optional[int]=None,
             creates_join_request: Optional[bool]=None) -> types.ChatInviteLink:
         """
         Use this method to edit a non-primary invite link created by the bot.
         The bot must be an administrator in the chat for this to work and must have the appropriate admin rights.
 
-        :param invite_link:
         :param chat_id: Id: Unique identifier for the target chat or username of the target channel
             (in the format @channelusername)
+        :param name: Invite link name; 0-32 characters
         :param invite_link: The invite link to edit
         :param expire_date: Point in time (Unix timestamp) when the link will expire
         :param member_limit: Maximum number of users that can be members of the chat simultaneously
+        :param creates_join_request: True, if users joining the chat via the link need to be approved by chat administrators. If True, member_limit can't be specified
         :return:
         """
         return types.ChatInviteLink.de_json(

telebot/apihelper.py

@@ -1016,7 +1016,7 @@ def edit_chat_invite_link(token, chat_id, invite_link, name, expire_date, member
         payload['member_limit'] = member_limit
     if name:
         payload['name'] = name
-    if creates_join_request:
+    if creates_join_request is not None:
         payload['creates_join_request'] = creates_join_request
 
     return _make_request(token, method_url, params=payload, method='post')
@@ -1036,20 +1036,25 @@ def export_chat_invite_link(token, chat_id):
     payload = {'chat_id': chat_id}
     return _make_request(token, method_url, params=payload, method='post')
 
+
 def approve_chat_join_request(token, chat_id, user_id):
     method_url = 'approveChatJoinRequest'
     payload = {
         'chat_id': chat_id,
         'user_id': user_id
     }
     return _make_request(token, method_url, params=payload, method='post')
+
+
 def decline_chat_join_request(token, chat_id, user_id):
     method_url = 'declineChatJoinRequest'
     payload = {
         'chat_id': chat_id,
         'user_id': user_id
     }
     return _make_request(token, method_url, params=payload, method='post')
+
+
 def set_chat_photo(token, chat_id, photo):
     method_url = 'setChatPhoto'
     payload = {'chat_id': chat_id}

telebot/types.py

@@ -175,16 +175,15 @@ def de_json(cls, json_string):
         obj = cls.check_json(json_string)
         obj['chat'] = Chat.de_json(obj['chat'])
         obj['from_user'] = User.de_json(obj['from'])
-        obj['invite_link'] = ChatInviteLink.de_json(obj['invite_link'])
-
+        obj['invite_link'] = ChatInviteLink.de_json(obj.get('invite_link'))
         return cls(**obj)
 
     def __init__(self, chat, from_user, date, bio=None, invite_link=None, **kwargs):
-        self.chat = Chat = chat
-        self.from_user: User = from_user
-        self.date: int = date
-        self.bio: Optional[str] = bio
-        self.invite_link: Optional[ChatInviteLink] = invite_link
+        self.chat = chat
+        self.from_user = from_user
+        self.date = date
+        self.bio = bio
+        self.invite_link = invite_link
 
 class WebhookInfo(JsonDeserializable):
     @classmethod