Fixed CI

app/views/layouts/blazer/application.html.erb

@@ -5,7 +5,7 @@
 
     <meta charset="utf-8" />
     <%= favicon_link_tag "blazer/favicon.png" %>
-    <% if defined?(Propshaft::Railtie) && Rails.application.try(:assets).is_a?(Propshaft::Assembly) %>
+    <% if defined?(Propshaft::Railtie) && Rails.application.assets.is_a?(Propshaft::Assembly) %>
       <%= stylesheet_link_tag "blazer/bootstrap-propshaft", "blazer/bootstrap", "blazer/selectize", "blazer/github", "blazer/daterangepicker", "blazer/application" %>
       <%= javascript_include_tag "blazer/jquery", "blazer/rails-ujs", "blazer/stupidtable", "blazer/stupidtable-custom-settings", "blazer/jquery.stickytableheaders", "blazer/selectize", "blazer/highlight.min", "blazer/moment", "blazer/moment-timezone-with-data", "blazer/daterangepicker", "blazer/chart.umd", "blazer/chartjs-adapter-date-fns.bundle", "blazer/chartkick", "blazer/mapkick.bundle", "blazer/ace/ace", "blazer/ace/ext-language_tools", "blazer/ace/theme-twilight", "blazer/ace/mode-sql", "blazer/ace/snippets/text", "blazer/ace/snippets/sql", "blazer/Sortable", "blazer/bootstrap", "blazer/vue.global.prod", "blazer/routes", "blazer/queries", "blazer/fuzzysearch", "blazer/application", nonce: true %>
     <% else %>

gemfiles/rails61.gemfile

@@ -7,3 +7,4 @@ gem "minitest", ">= 5"
 gem "combustion"
 gem "rails", "~> 6.1.0"
 gem "pg"
+gem "sprockets-rails"