Some imports were missing

Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>

squinnondation/hazel.py

@@ -1,11 +1,15 @@
 # Copyright (C) 2020 by eichhornchen, ÿnérant
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-from typing import Any, List, Optional, Tuple
+from typing import Any, Tuple
 from ipaddress import IPv6Address
-from enum import Enum
-from messages import Packet, TLV, HelloTLV, NeighbourTLV, Pad1TLV, PadNTLV, DataTLV, AckTLV, GoAwayTLV, WarningTLV
 from threading import Thread
+import curses
+import re
+import socket
+
+from .messages import Packet, DataTLV
+
 
 class Hazelnut:
     """