Exception: NameError: undefined local variable or method `backtrace' for main:Object
--
0: (pry):11:in `<main>'
1: project/vendor/gems/ruby/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:355:in `eval'
2: project/vendor/gems/ruby/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:355:in `evaluate_ruby'
3: project/vendor/gems/ruby/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:323:in `handle_line'
4: project/vendor/gems/ruby/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:243:in `block (2 levels) in eval'
5: project/vendor/gems/ruby/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:242:in `catch'
6: project/vendor/gems/ruby/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:242:in `block in eval'
7: project/vendor/gems/ruby/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:241:in `catch'
8: project/vendor/gems/ruby/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:241:in `eval'
9: project/vendor/gems/ruby/2.1.0/gems/pry-0.10.1/lib/pry/repl.rb:77:in `block in repl'