From 75dd90e02e47eca8925ec5ab02a10ba063df62fd Mon Sep 17 00:00:00 2001
From: Alexey Zakharenkov <a-zakh@yandex.ru>
Date: Sat, 29 Aug 2020 11:01:13 +0300
Subject: [PATCH] Disallow railway=station tag on relations other than
 multipolygons, in particular on stop_areas

---
 subway_structure.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/subway_structure.py b/subway_structure.py
index a91758a..c59cfd0 100644
--- a/subway_structure.py
+++ b/subway_structure.py
@@ -1119,6 +1119,11 @@ class City:
         processed_stop_areas = set()
         for el in self.elements.values():
             if Station.is_station(el, self.modes):
+                # See PR https://github.com/mapsme/subways/pull/98 
+                if el['type'] == 'relation' and el['tags'].get('type') != 'multipolygon':
+                    self.error("A railway station cannot be a relation of type '{}'".format(
+                                      el['tags'].get('type')), el)
+                    continue
                 st = Station(el, self)
                 self.station_ids.add(st.id)
                 if st.id in self.stop_areas: