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