Specs failing when run outside Spork with TypeError: superclass mismatch for class Attribute

When I run my specs inside spork, they all just pass without any
problems, but once I try to run them without spork, I end up with

 Failure/Error: Unable to find matching line from backtrace
 TypeError:
   superclass mismatch for class Attribute

on each request spec.

Here’s a gist with the whole stack trace, request specs &
spec_helper.rb https://gist.github.com/1327141

I’m running Rails 3.1.1 on Ruby 1.9.2

On Oct 31, 2011, at 4:59 AM, Jakub Arnold wrote:

spec_helper.rb https://gist.github.com/1327141

I’m running Rails 3.1.1 on Ruby 1.9.2

Hey Jakub,

I started to look at this yesterday but got nowhere, and it’s going to
be a while before I can look at it again. My theory is that there is a
another Attribute class defined by one of the gems in your app, and due
to differences in load order, the right one is winning when you use
spork, but the wrong one is winning when when you don’t. Please
investigate that and report what you find back here.

HTH,
David

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