From 3eaba9d2f4cb7ee7ec24a3ebf0116dfbbe00b955 Mon Sep 17 00:00:00 2001
From: Dan <14043624+delivrance@users.noreply.github.com>
Date: Mon, 25 Dec 2017 11:47:08 +0100
Subject: [PATCH] Fix deserialization for bare Vectors

---
 pyrogram/api/core/primitives/vector.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/pyrogram/api/core/primitives/vector.py b/pyrogram/api/core/primitives/vector.py
index 60890ae6..49db28ec 100644
--- a/pyrogram/api/core/primitives/vector.py
+++ b/pyrogram/api/core/primitives/vector.py
@@ -25,11 +25,21 @@ from ..object import Object
 class Vector(Object):
     ID = 0x1cb5c415
 
+    # Method added to handle the special case when a query returns a bare Vector (of Ints);
+    # i.e., RpcResult body starts with 0x1cb5c415 (Vector Id) - e.g., messages.GetMessagesViews.
+    @staticmethod
+    def _read(b: BytesIO) -> Object or int:
+        try:
+            return Object.read(b)
+        except KeyError:
+            b.seek(-4, 1)
+            return Int.read(b)
+
     @staticmethod
     def read(b: BytesIO, t: Object = None) -> list:
         return [
             t.read(b) if t
-            else Object.read(b)
+            else Vector._read(b)
             for _ in range(Int.read(b))
         ]