Merge pull request #923 from transitland/gtfs-graph-missing-tl-routes

ignoring nil routes

Author: doublestranded

app/services/gtfs_graph.rb

@@ -467,6 +467,7 @@ def load_tl_route_stop_patterns
       stop_times_count += stop_times.length
       feed_shape_points = @gtfs.shape_line(trip.shape_id) || []
       tl_route = find_by_gtfs_entity(@gtfs.parents(trip).first)
+      next if tl_route.nil?
       # temporary RouteStopPattern
       trip_stop_points = tl_stops.map { |s| s.geometry[:coordinates] }
       # determine if RouteStopPattern exists