From 354ea1c0c883c5f4ac490f79bbc8afaf60b9d01c Mon Sep 17 00:00:00 2001
From: Lonami Exo <totufals@hotmail.com>
Date: Sun, 1 Oct 2017 18:53:12 +0200
Subject: [PATCH] Add ChannelPrivateError error

---
 telethon/errors/rpc_errors_400.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/telethon/errors/rpc_errors_400.py b/telethon/errors/rpc_errors_400.py
index 6c96ce7e..63f8dd0d 100644
--- a/telethon/errors/rpc_errors_400.py
+++ b/telethon/errors/rpc_errors_400.py
@@ -37,6 +37,15 @@ class ChannelInvalidError(BadRequestError):
         )
 
 
+class ChannelPrivateError(BadRequestError):
+    def __init__(self, **kwargs):
+        super(Exception, self).__init__(
+            self,
+            'The channel specified is private and you lack permission to '
+            'access it. Another reason may be that you were banned from it.'
+        )
+
+
 class ChatAdminRequiredError(BadRequestError):
     def __init__(self, **kwargs):
         super(Exception, self).__init__(
@@ -399,6 +408,7 @@ rpc_errors_400_all = {
     'BOT_METHOD_INVALID': BotMethodInvalidError,
     'CDN_METHOD_INVALID': CdnMethodInvalidError,
     'CHANNEL_INVALID': ChannelInvalidError,
+    'CHANNEL_PRIVATE': ChannelPrivateError,
     'CHAT_ADMIN_REQUIRED': ChatAdminRequiredError,
     'CHAT_ID_INVALID': ChatIdInvalidError,
     'CONNECTION_LAYER_INVALID': ConnectionLayerInvalidError,