Implement (style) suggestions.

app/models/issue.rb

@@ -28,8 +28,8 @@ class Issue < ActiveRecord::Base
   scope :cared, ->(user) { where(assignee_id: user) }
   scope :authored, ->(user) { where(author_id: user) }
   scope :open_for, ->(user) { opened.assigned(user) }
-  scope :assigned, where("assignee_id IS NOT NULL")
-  scope :unassigned, where("assignee_id IS NULL")
+  scope :assigned, -> { where("assignee_id IS NOT NULL") }
+  scope :unassigned, -> { where("assignee_id IS NULL") }
   state_machine :state, initial: :opened do
     event :close do

app/views/milestones/show.html.haml

@@ -56,9 +56,9 @@
 .row
-  =render(partial: 'issues', :locals => {title: 'Unstarted Issues (open and unassigned)', issues: @issues.opened.unassigned})
-  =render(partial: 'issues', :locals => {title: 'Ongoing Issues (open and assigned)', issues: @issues.opened.assigned})
+  = render(partial: 'issues', locals: {title: 'Unstarted Issues (open and unassigned)', issues: @issues.opened.unassigned})
+  = render(partial: 'issues', locals: {title: 'Ongoing Issues (open and assigned)', issues: @issues.opened.assigned})
 .row
   .span6
@@ -75,7 +75,7 @@
             –
             = link_to_gfm truncate(merge_request.title, length: 60), [@project, merge_request]
-  =render(:partial => 'issues', :locals => {title: 'Completed Issues (closed)', issues: @issues.closed})
+  = render(:partial => 'issues', locals: {title: 'Completed Issues (closed)', issues: @issues.closed})
 %hr
 %h6 Participants: