Add retract_vote method

pyrogram/client/methods/messages/__init__.py

@@ -24,6 +24,7 @@ from .edit_message_text import EditMessageText
 from .forward_messages import ForwardMessages
 from .get_history import GetHistory
 from .get_messages import GetMessages
+from .retract_vote import RetractVote
 from .send_animation import SendAnimation
 from .send_audio import SendAudio
 from .send_chat_action import SendChatAction
@@ -66,6 +67,7 @@ class Messages(
     SendVideoNote,
     SendVoice,
     SendPoll,
-    VotePoll
+    VotePoll,
+    RetractVote
 ):
     pass

pyrogram/client/methods/messages/retract_vote.py

@@ -0,0 +1,38 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# 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
+
+from pyrogram.api import functions
+from pyrogram.client.ext import BaseClient
+
+
+class RetractVote(BaseClient):
+    # TODO: Docs
+    def retract_vote(self,
+                     chat_id: Union[int, str],
+                     message_id: id) -> bool:
+        self.send(
+            functions.messages.SendVote(
+                peer=self.resolve_peer(chat_id),
+                msg_id=message_id,
+                options=[]
+            )
+        )
+
+        return True