• Object#block in __pry__ (pry):13
    • Human#cells $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations/builder/association.rb:110
      • Human#association $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations.rb:258
        • Human#association_instance_get $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations.rb:298
        • Kernel#nil? $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations.rb:261
      • ActiveRecord::Associations::HasManyAssociation#reader $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations/collection_association.rb:28
        • ActiveRecord::Associations::HasManyAssociation#stale_target? $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations/association.rb:75
          • ActiveRecord::Associations::HasManyAssociation#loaded? $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations/association.rb:58
          • ActiveRecord::Associations::HasManyAssociation#stale_state $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations/association.rb:277
        • Cell::ActiveRecord_Associations_CollectionProxy#reset_scope $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations/collection_proxy.rb:1120
    • Cell::ActiveRecord_Associations_CollectionProxy#size $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations/collection_proxy.rb:811
      • ActiveRecord::Associations::HasManyAssociation#size $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations/collection_association.rb:209
        • ActiveRecord::Associations::HasManyAssociation#find_target? $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations/association.rb:205
          • ActiveRecord::Associations::HasManyAssociation#loaded? $GemPath0/gems/activerecord-5.1.2/lib/active_record/associations/association.rb:58