From 69b131cc77012ad924096bef7a9c1542903e94cf Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fl.fischer@fau.de>
Date: Sat, 12 Aug 2017 03:19:33 +0200
Subject: error if amount of schieb/zieh is negativ

---
 geldschieberbot.py | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'geldschieberbot.py')

diff --git a/geldschieberbot.py b/geldschieberbot.py
index 15aa73f..a1209dd 100644
--- a/geldschieberbot.py
+++ b/geldschieberbot.py
@@ -140,6 +140,10 @@ def handle_input(inp):
                         send("ERROR: amount musst be a number")
                         continue
 
+                    if amount < 0:
+                        send("ERROR: amount must be positiv")
+                        continue
+
                     if w[0] == "!zieh":
                         amount *= -1
 
-- 
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