From 1b48f850bf570847a7e2e26e03faf3a04362e631 Mon Sep 17 00:00:00 2001
From: Dan <14043624+delivrance@users.noreply.github.com>
Date: Tue, 1 May 2018 20:25:35 +0200
Subject: [PATCH] Add new sessions to the media_sessions dict before starting
 them

---
 pyrogram/client/client.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/pyrogram/client/client.py b/pyrogram/client/client.py
index feeea853..ae8bf87f 100644
--- a/pyrogram/client/client.py
+++ b/pyrogram/client/client.py
@@ -2992,6 +2992,8 @@ class Client:
                         self.api_id
                     )
 
+                    self.media_sessions[dc_id] = session
+
                     session.start()
 
                     session.send(
@@ -3009,9 +3011,9 @@ class Client:
                         self.api_id
                     )
 
-                    session.start()
+                    self.media_sessions[dc_id] = session
 
-                self.media_sessions[dc_id] = session
+                    session.start()
 
         if volume_id:  # Photos are accessed by volume_id, local_id, secret
             location = types.InputFileLocation(
@@ -3080,10 +3082,10 @@ class Client:
                             is_cdn=True
                         )
 
-                        cdn_session.start()
-
                         self.media_sessions[r.dc_id] = cdn_session
 
+                        cdn_session.start()
+
                 try:
                     with tempfile.NamedTemporaryFile("wb", delete=False) as f:
                         file_name = f.name