/Users/fangqi/.rvm/gems/ruby-2.2.4/gems/rails_workflow-0.7.2/lib/rails_workflow/config.rb:17:in `require_relative': /Users/fangqi/.rvm/gems/ruby-2.2.4/gems/rails_workflow-0.7.2/lib/rails_workflow/operation_runner.rb:65: syntax error, unexpected '.' (SyntaxError)
context&.save
please take a look