From 7a8f9c49b0f0b9ed5fc730e9021cffb7fd04d13c Mon Sep 17 00:00:00 2001
From: Sergey Vartanov <me@enzet.ru>
Date: Fri, 12 Nov 2021 03:29:53 +0300
Subject: [PATCH] Add empty outers check.

Way can have no nodes if it was deleted.
---
 map_machine/constructor.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/map_machine/constructor.py b/map_machine/constructor.py
index f0678f7..59d394b 100644
--- a/map_machine/constructor.py
+++ b/map_machine/constructor.py
@@ -225,6 +225,9 @@ class Constructor:
         """
         assert len(outers) >= 1
 
+        if len(outers[0]) == 0:
+            return
+
         if not self.check_level(line.tags):
             return