X-Git-Url: http://average.org/gitweb/?a=blobdiff_plain;f=loctrkd%2Fopencellid.py;h=ff193fd27a5f511787c9b3b671a22ce217f06a58;hb=77c191290dad765c5b2e09c60d2b7e38aff87565;hp=a70dc26b2ae39c7e8a2b36a28304fa4837a9aedf;hpb=a4e4e193173d24f0f1b2020a61cee432418d5284;p=loctrkd.git

diff --git a/loctrkd/opencellid.py b/loctrkd/opencellid.py
index a70dc26..ff193fd 100644
--- a/loctrkd/opencellid.py
+++ b/loctrkd/opencellid.py
@@ -2,6 +2,7 @@
 Lookaside backend to query local opencellid database
 """
 
+from configparser import ConfigParser
 from sqlite3 import connect
 from typing import Any, Dict, List, Tuple
 
@@ -10,7 +11,7 @@ __all__ = "init", "lookup"
 ldb = None
 
 
-def init(conf: Dict[str, Any]) -> None:
+def init(conf: ConfigParser) -> None:
     global ldb
     ldb = connect(conf["opencellid"]["dbfn"])
 
@@ -46,7 +47,7 @@ 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)])