diff --git a/tests/testserver/server.py b/tests/testserver/server.py
index b9d64289..c5f35d2b 100644
--- a/tests/testserver/server.py
+++ b/tests/testserver/server.py
@@ -2,6 +2,7 @@ import threading
 import socket
 import select
 
+
 def consume_socket_content(sock, timeout=0.5):
     chunks = 65536
     content = ""
@@ -19,6 +20,7 @@ def consume_socket_content(sock, timeout=0.5):
 
     return content
 
+
 class Server(threading.Thread):
     """Dummy server using for unit testing"""
     WAIT_EVENT_TIMEOUT = 5