From b029a9bc415a02a529a7dfe58cf7ddb4c3fce6b9 Mon Sep 17 00:00:00 2001
From: Jonas Zeunert <jonas@zeunert.org>
Date: Thu, 30 Apr 2020 21:02:31 +0200
Subject: [PATCH] fix observable

---
 Target.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Target.py b/Target.py
index cc04ce1..2e880b0 100644
--- a/Target.py
+++ b/Target.py
@@ -1,9 +1,12 @@
 from observable import Observable
+from collections import defaultdict
+
 import logging
 
 class Target(Observable):
     def __init__(self, points, name):
         logging.info("Target " + name + " created")
+        self._events = defaultdict(list)
         self.points = points
         self.name = name
         self.hit_key = "hit"