From cdf1823bf6ba33581ff009fe7a24792bc5fb8d49 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Kn=C3=BCttel?= <daniel.knuettel@daknuett.eu>
Date: Thu, 18 Jan 2018 11:27:06 +0100
Subject: [PATCH] fixed uncleared canvas

---
 mathbot/rendering.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mathbot/rendering.py b/mathbot/rendering.py
index eab229f..a001d78 100644
--- a/mathbot/rendering.py
+++ b/mathbot/rendering.py
@@ -34,6 +34,7 @@ def get_png(tex):
 
 	buf.seek(0)
 
+	plt.clf()
 
 	return buf