error_in_github_profile_spec

Failure/Error: GithubProfile.for_username('mdeiters')
     NoMethodError:
       undefined method `keys' for nil:NilClass
     # /home/vagrant/.rvm/gems/ruby-2.1.5@coderwall/gems/activemodel-3.2.21/lib/active_model/mass_assignment_security/sanitizer.rb:19:in `debug_protected_attribute_removal'
     # /home/vagrant/.rvm/gems/ruby-2.1.5@coderwall/gems/activemodel-3.2.21/lib/active_model/mass_assignment_security/sanitizer.rb:12:in `sanitize'
     # /home/vagrant/.rvm/gems/ruby-2.1.5@coderwall/gems/activemodel-3.2.21/lib/active_model/mass_assignment_security.rb:230:in `sanitize_for_mass_assignment'
     # /home/vagrant/.rvm/gems/ruby-2.1.5@coderwall/gems/mongoid-3.1.6/lib/mongoid/attributes/processing.rb:25:in `block in process_attributes'
     # /home/vagrant/.rvm/gems/ruby-2.1.5@coderwall/gems/mongoid-3.1.6/lib/mongoid/attributes/processing.rb:193:in `with_mass_assignment'
     # /home/vagrant/.rvm/gems/ruby-2.1.5@coderwall/gems/mongoid-3.1.6/lib/mongoid/attributes/processing.rb:22:in `process_attributes'
     # /home/vagrant/.rvm/gems/ruby-2.1.5@coderwall/gems/mongoid-3.1.6/lib/mongoid/document.rb:94:in `block in initialize'
     # /home/vagrant/.rvm/gems/ruby-2.1.5@coderwall/gems/mongoid-3.1.6/lib/mongoid/threaded/lifecycle.rb:84:in `_building'
     # /home/vagrant/.rvm/gems/ruby-2.1.5@coderwall/gems/mongoid-3.1.6/lib/mongoid/document.rb:89:in `initialize'
     # ./app/models/github_repo.rb:51:in `new'
     # ./app/models/github_repo.rb:51:in `refresh!'
     # ./app/models/github_repo.rb:29:in `block in for_owner_and_name'
     # ./app/models/github_repo.rb:26:in `tap'
     # ./app/models/github_repo.rb:26:in `for_owner_and_name'
     # ./app/models/github_profile.rb:81:in `block in refresh!'
     # ./app/models/github_profile.rb:79:in `map'
     # ./app/models/github_profile.rb:79:in `refresh!'
     # ./app/models/github_profile.rb:29:in `block in for_username'
     # ./app/models/github_profile.rb:26:in `tap'
     # ./app/models/github_profile.rb:26:in `for_username'
     # ./spec/models/github_profile_spec.rb:30:in `block (4 levels) in <top (required)>'
     # /home/vagrant/.rvm/gems/ruby-2.1.5@coderwall/gems/vcr-2.9.2/lib/vcr/util/variable_args_block_caller.rb:9:in `call'
     # /home/vagrant/.rvm/gems/ruby-2.1.5@coderwall/gems/vcr-2.9.2/lib/vcr/util/variable_args_block_caller.rb:9:in `call_block'
     # /home/vagrant/.rvm/gems/ruby-2.1.5@coderwall/gems/vcr-2.9.2/lib/vcr.rb:182:in `use_cassette'
     # ./spec/models/github_profile_spec.rb:29:in `block (3 levels) in <top (required)>'
     # ./spec/models/github_profile_spec.rb:35:in `block (3 levels) in <top (required)>'