def lookup(
mcc: int, mnc: int, gsm_cells: List[Tuple[int, int, int]], __: Any
-) -> Tuple[float, float]:
+) -> Tuple[float, float, float]:
assert ldb is not None
lc = ldb.cursor()
lc.execute("""attach database ":memory:" as mem""")
nsigs = [1 / sig / sumsig for _, _, sig in data]
avlat = sum([lat * nsig for (lat, _, _), nsig in zip(data, nsigs)])
avlon = sum([lon * nsig for (_, lon, _), nsig in zip(data, nsigs)])
- return avlat, avlon
+ return avlat, avlon, 99.9 # TODO estimate accuracy for real