latitude must be a number or a binary to be formatted as a coordinate

Co-authored-by: Stefan Fochler <s.fochler@box-id.com>

Author: bdebinska

lib/value_formatters.ex

@@ -88,8 +88,8 @@ defmodule ValueFormatters do
       %DateTime{} -> "date"
       %NaiveDateTime{} -> "date"
       %Time{} -> "date"
-      [_lat, _lng, _radius] -> "coordinates"
-      [_lat, _lng] -> "coordinates"
+      [lat, _lng, _radius] when is_number(lat) or is_binary(lat) -> "coordinates"
+      [lat, _lng] when is_number(lat) or is_binary(lat) -> "coordinates"
       %{"lat" => _lat, "lng" => _lng, "radius" => _radius} -> "coordinates"
       %{"lat" => _lat, "lng" => _lng} -> "coordinates"
       _ -> "The type of value #{inspect(value)} is not supported."