From 58381e852f1aa2013f45de7757a55d01463befa2 Mon Sep 17 00:00:00 2001
From: Eugene Crosser <crosser@average.org>
Date: Wed, 3 Aug 2022 20:33:38 +0200
Subject: [PATCH] opencellid: raise exception on the lack of data

---
 loctrkd/opencellid.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/loctrkd/opencellid.py b/loctrkd/opencellid.py
index a70dc26..20fd3ae 100644
--- a/loctrkd/opencellid.py
+++ b/loctrkd/opencellid.py
@@ -46,7 +46,7 @@ def lookup(
     lc.execute("""detach database mem""")
     lc.close()
     if not data:
-        return 0.0, 0.0
+        raise ValueError("No location data found in opencellid")
     sumsig = sum([1 / sig for _, _, sig in data])
     nsigs = [1 / sig / sumsig for _, _, sig in data]
     avlat = sum([lat * nsig for (lat, _, _), nsig in zip(data, nsigs)])
-- 
2.39.2