diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..ac630a8a85050eb9b6fafec7601959b2533e3a58
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+__pychache__
\ No newline at end of file
diff --git a/communication/server.py b/communication/server.py
index f2a3d0c8ae8ede22885f9f58014d90395dd1acc1..9f6628990cdd66e9a0fa6670667ec24f243a4025 100644
--- a/communication/server.py
+++ b/communication/server.py
@@ -1,6 +1,7 @@
 import socket
 import json
 import logging
+import base64
 from colorlog import ColoredFormatter
 from Crypto.Cipher import DES, Blowfish, ARC4, PKCS1_OAEP
 from Crypto.PublicKey import RSA