diff --git a/pyrogram/methods/messages/delete_messages.py b/pyrogram/methods/messages/delete_messages.py
index a07b36dd..523ecd54 100644
--- a/pyrogram/methods/messages/delete_messages.py
+++ b/pyrogram/methods/messages/delete_messages.py
@@ -16,7 +16,7 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
-from typing import Union, List
+from typing import Union, Iterable
 
 import pyrogram
 from pyrogram import raw
@@ -26,7 +26,7 @@ class DeleteMessages:
     async def delete_messages(
         self: "pyrogram.Client",
         chat_id: Union[int, str],
-        message_ids: Union[int, List[int]],
+        message_ids: Union[int, Iterable[int]],
         revoke: bool = True
     ) -> int:
         """Delete messages, including service messages.
@@ -37,8 +37,8 @@ class DeleteMessages:
                 For your personal cloud (Saved Messages) you can simply use "me" or "self".
                 For a contact that exists in your Telegram address book you can use his phone number (str).
 
-            message_ids (``int`` | List of ``int``):
-                A list of Message identifiers to delete (integers) or a single message id.
+            message_ids (``int`` | Iterable of ``int``):
+                An iterable of message identifiers to delete (integers) or a single message id.
 
             revoke (``bool``, *optional*):
                 Deletes messages on both parts.
@@ -62,9 +62,7 @@ class DeleteMessages:
                 await app.delete_messages(chat_id, message_id, revoke=False)
         """
         peer = await self.resolve_peer(chat_id)
-        # Follow type annotation of the raw function "DeleteMessage".
-        if not isinstance(message_ids, list):
-            message_ids = [message_ids]
+        message_ids = list(message_ids) if not isinstance(message_ids, int) else [message_ids]
 
         if isinstance(peer, raw.types.InputPeerChannel):
             r = await self.invoke(
@@ -77,10 +75,8 @@ class DeleteMessages:
             r = await self.invoke(
                 raw.functions.messages.DeleteMessages(
                     id=message_ids,
-                    revoke=revoke or None # Follow the type annotation.
+                    revoke=revoke
                 )
             )
 
-        # Deleting messages you don't have right onto won't raise any error.
-        # Check for pts_count, which is 0 in case deletes fail.
         return r.pts_count
diff --git a/pyrogram/methods/messages/forward_messages.py b/pyrogram/methods/messages/forward_messages.py
index 2e288253..be7b2ab5 100644
--- a/pyrogram/methods/messages/forward_messages.py
+++ b/pyrogram/methods/messages/forward_messages.py
@@ -17,7 +17,7 @@
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
 from datetime import datetime
-from typing import Union, List
+from typing import Union, List, Iterable
 
 import pyrogram
 from pyrogram import raw, utils
@@ -29,7 +29,7 @@ class ForwardMessages:
         self: "pyrogram.Client",
         chat_id: Union[int, str],
         from_chat_id: Union[int, str],
-        message_ids: Union[int, List[int]],
+        message_ids: Union[int, Iterable[int]],
         disable_notification: bool = None,
         schedule_date: datetime = None,
         protect_content: bool = None
@@ -47,8 +47,8 @@ class ForwardMessages:
                 For your personal cloud (Saved Messages) you can simply use "me" or "self".
                 For a contact that exists in your Telegram address book you can use his phone number (str).
 
-            message_ids (``int`` | List of ``int``):
-                A list of Message identifiers in the chat specified in *from_chat_id* or a single message id.
+            message_ids (``int`` | Iterable of ``int``):
+                An iterable of message identifiers in the chat specified in *from_chat_id* or a single message id.
 
             disable_notification (``bool``, *optional*):
                 Sends the message silently.
@@ -74,9 +74,8 @@ class ForwardMessages:
                 await app.forward_messages(to_chat, from_chat, [1, 2, 3])
         """
 
-        is_list = isinstance(message_ids, list)
-        if not is_list:
-            message_ids = [message_ids]
+        is_iterable = not isinstance(message_ids, int)
+        message_ids = list(message_ids) if is_iterable else [message_ids]
 
         r = await self.invoke(
             raw.functions.messages.ForwardMessages(
@@ -106,4 +105,4 @@ class ForwardMessages:
                     )
                 )
 
-        return types.List(forwarded_messages) if is_list else forwarded_messages[0]
+        return types.List(forwarded_messages) if is_iterable else forwarded_messages[0]
diff --git a/pyrogram/methods/messages/get_messages.py b/pyrogram/methods/messages/get_messages.py
index f44b3b2f..17d80e58 100644
--- a/pyrogram/methods/messages/get_messages.py
+++ b/pyrogram/methods/messages/get_messages.py
@@ -17,7 +17,7 @@
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
 import logging
-from typing import Union, List
+from typing import Union, List, Iterable
 
 import pyrogram
 from pyrogram import raw
@@ -34,8 +34,8 @@ class GetMessages:
     async def get_messages(
         self: "pyrogram.Client",
         chat_id: Union[int, str],
-        message_ids: Union[int, List[int]] = None,
-        reply_to_message_ids: Union[int, List[int]] = None,
+        message_ids: Union[int, Iterable[int]] = None,
+        reply_to_message_ids: Union[int, Iterable[int]] = None,
         replies: int = 1
     ) -> Union["types.Message", List["types.Message"]]:
         """Get one or more messages from a chat by using message identifiers.
@@ -48,12 +48,12 @@ class GetMessages:
                 For your personal cloud (Saved Messages) you can simply use "me" or "self".
                 For a contact that exists in your Telegram address book you can use his phone number (str).
 
-            message_ids (``int`` | List of ``int``, *optional*):
-                Pass a single message identifier or a list of message ids (as integers) to get the content of the
+            message_ids (``int`` | Iterable of ``int``, *optional*):
+                Pass a single message identifier or an iterable of message ids (as integers) to get the content of the
                 message themselves.
 
-            reply_to_message_ids (``int`` | List of ``int``, *optional*):
-                Pass a single message identifier or a list of message ids (as integers) to get the content of
+            reply_to_message_ids (``int`` | Iterable of ``int``, *optional*):
+                Pass a single message identifier or an iterable of message ids (as integers) to get the content of
                 the previous message you replied to using this message.
                 If *message_ids* is set, this argument will be ignored.
 
@@ -98,10 +98,8 @@ class GetMessages:
 
         peer = await self.resolve_peer(chat_id)
 
-        is_list = isinstance(ids, list)
-        if not is_list:
-            ids = [ids]
-
+        is_iterable = not isinstance(ids, int)
+        ids = list(ids) if is_iterable else [ids]
         ids = [ids_type(id=i) for i in ids]
 
         if replies < 0:
@@ -116,4 +114,4 @@ class GetMessages:
 
         messages = await utils.parse_messages(self, r, replies=replies)
 
-        return messages if is_list else messages[0] if messages else None
+        return messages if is_iterable else messages[0] if messages else None
diff --git a/pyrogram/methods/users/get_users.py b/pyrogram/methods/users/get_users.py
index c3f93d98..384dded0 100644
--- a/pyrogram/methods/users/get_users.py
+++ b/pyrogram/methods/users/get_users.py
@@ -17,7 +17,7 @@
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
 import asyncio
-from typing import Union, List
+from typing import Union, List, Iterable
 
 import pyrogram
 from pyrogram import raw
@@ -27,13 +27,13 @@ from pyrogram import types
 class GetUsers:
     async def get_users(
         self: "pyrogram.Client",
-        user_ids: Union[int, str, List[Union[int, str]]]
+        user_ids: Union[int, str, Iterable[Union[int, str]]]
     ) -> Union["types.User", List["types.User"]]:
         """Get information about a user.
         You can retrieve up to 200 users at once.
 
         Parameters:
-            user_ids (``int`` | ``str`` | List of ``int`` or ``str``):
+            user_ids (``int`` | ``str`` | Iterable of ``int`` or ``str``):
                 A list of User identifiers (id or username) or a single user id/username.
                 For a contact that exists in your Telegram address book you can use his phone number (str).
 
@@ -50,10 +50,9 @@ class GetUsers:
                 # Get information about multiple users at once
                 await app.get_users([user_id1, user_id2, user_id3])
         """
-        is_list = isinstance(user_ids, list)
-        if not is_list:
-            user_ids = [user_ids]
 
+        is_iterable = not isinstance(user_ids, (int, str))
+        user_ids = list(user_ids) if is_iterable else [user_ids]
         user_ids = await asyncio.gather(*[self.resolve_peer(i) for i in user_ids])
 
         r = await self.invoke(
@@ -67,4 +66,4 @@ class GetUsers:
         for i in r:
             users.append(types.User._parse(self, i))
 
-        return users if is_list else users[0]
+        return users if is_iterable else users[0]
diff --git a/pyrogram/utils.py b/pyrogram/utils.py
index bd000d94..d5862d1a 100644
--- a/pyrogram/utils.py
+++ b/pyrogram/utils.py
@@ -113,7 +113,7 @@ async def parse_messages(client, messages: "raw.types.messages.Messages", replie
 
             reply_messages = await client.get_messages(
                 chat_id,
-                reply_to_message_ids=list(messages_with_replies.keys()),
+                reply_to_message_ids=messages_with_replies.keys(),
                 replies=replies - 1
             )