Fix import announcement image issue

app/controllers/admin/import_controller.rb

@@ -65,6 +65,7 @@ class Admin::ImportController < OrbitAdminController
 
   def module_data
     uri = URI.parse(params['url'])
+    @host = uri.host
     http = Net::HTTP.new(uri.host, uri.port)
     request = Net::HTTP::Get.new(uri.request_uri)
     response = http.request(request)