Filter out nil

platform/target/network/network.ex

@@ -30,10 +30,10 @@ defmodule Farmbot.Target.Network do
   @doc "Scan on an interface. "
   def do_scan(iface) do
     Nerves.Network.scan(iface)
-    |> Enum.reject(&String.contains?(&1.ssid, "\\x00"))
     |> ScanResult.decode()
     |> ScanResult.sort_results()
     |> ScanResult.decode_security()
+    |> Enum.reject(&String.contains?(&1.ssid, "\\x00"))
   end
 
   @doc "Tests if we can make dns queries."