diff options
| -rw-r--r-- | lib/rack/session/abstract/id.rb | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rack/session/abstract/id.rb b/lib/rack/session/abstract/id.rb index d12b3b53..1bb8d5d0 100644 --- a/lib/rack/session/abstract/id.rb +++ b/lib/rack/session/abstract/id.rb @@ -408,7 +408,7 @@ module Rack class ID < Persisted def self.inherited(klass) - k = klass.ancestors.find { |kl| kl.superclass == ID } + k = klass.ancestors.find { |kl| kl.respond_to?(:superclass) && kl.superclass == ID } unless k.instance_variable_defined?(:"@_rack_warned") warn "#{klass} is inheriting from #{ID}. Inheriting from #{ID} is deprecated, please inherit from #{Persisted} instead" if $VERBOSE k.instance_variable_set(:"@_rack_warned", true) |