error message when creating an ordergroup with members in another ordergroup

Author: aban1

app/controllers/tasks_controller.rb

@@ -112,7 +112,6 @@ def workgroup
     if @group.is_a? Ordergroup
       redirect_to tasks_url, :alert => I18n.t('tasks.error_not_found')
     end
-
   end
 
   private

app/models/ordergroup.rb

@@ -18,7 +18,6 @@ class Ordergroup < Group
   validates_numericality_of :account_balance, :message => I18n.t('ordergroups.model.invalid_balance')
   validate :uniqueness_of_name, :uniqueness_of_members
 
-
   after_create :update_stats!
 
   scope :active, -> { joins(:orders).where(orders: { starts: (Time.now.months_ago(3)..Time.now) }).group(:id) }
@@ -175,7 +174,6 @@ def self.sort_by_param(param)
   private
 
   # Make sure, that a user can only be in one ordergroup
-  #this does not work for adding a second order group 
   def uniqueness_of_members
     users.each do |user|
       errors.add :user_tokens, I18n.t('ordergroups.model.error_single_group', :user => user.display) if user.groups.where(:type => 'Ordergroup').size >= 1