From 14b2119f0201829142c1abe575e12e5eb14385a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Laura=20Kl=C3=BCnder?= <laura@codingcatgirl.de>
Date: Sun, 6 Aug 2017 20:02:09 +0200
Subject: [PATCH] simpler clean_geometry

---
 src/c3nav/mapdata/utils/geometry.py | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/c3nav/mapdata/utils/geometry.py b/src/c3nav/mapdata/utils/geometry.py
index 36dcd29e..b8a85a41 100644
--- a/src/c3nav/mapdata/utils/geometry.py
+++ b/src/c3nav/mapdata/utils/geometry.py
@@ -9,12 +9,7 @@ def clean_geometry(geometry):
         return geometry
 
     if isinstance(geometry, Polygon):
-        p = Polygon(list(geometry.exterior.coords))
-        for interior in geometry.interiors:
-            p = p.difference(Polygon(list(interior.coords)))
-
-        if isinstance(p, Polygon) and p.is_valid:
-            return p
+        return geometry.buffer(0)
 
     return geometry