FIX: Linting errors

FIX: Linting errors

diff --git a/app/controllers/docker_manager/admin_controller.rb b/app/controllers/docker_manager/admin_controller.rb
index d6b5047..497a1d9 100644
--- a/app/controllers/docker_manager/admin_controller.rb
+++ b/app/controllers/docker_manager/admin_controller.rb
@@ -97,7 +97,7 @@ module DockerManager
           'UPGRADE_REPO_VERSION' => repo_version(repo).to_s,
           'RAILS_ENV' => Rails.env
       }
-      ["http_proxy","https_proxy","no_proxy","HTTP_PROXY","HTTPS_PROXY","NO_PROXY"].each do |p|
+      ["http_proxy", "https_proxy", "no_proxy", "HTTP_PROXY", "HTTPS_PROXY", "NO_PROXY"].each do |p|
         env_vars[p] = ENV[p] if ! ENV[p].nil?
       end
       pid = spawn(

GitHub sha: 5faa72562433374ec0f3beabf37c0beb19e59b54