Type mismatch error when running Twitter6.scala

[morazow]

I am using these versions

sbt.version = 0.13
scala version = 2.10.3

and I have latest scalding develop branch from github.

I did compile scalding successfully and run other workshop tutorials using scald.rb.

However, when I run Twitter6.scala, I get the following error,

scripts/Twitter6.scala:53: error: type mismatch;
 found   : Symbol
 required: (cascading.tuple.Fields, cascading.tuple.Fields)
      .groupAll { _.count('tweet_id).reducers(2) }
                          ^
one error found

How can I solve this? Giving tuple with two fields did not solve the problem.
I think most things changed since this workshop in scalding (i.e 'num to 'offset).

[deanwampler]

I just refreshed the versions today. If you're still interested in the workshop, let me know if this problem has gone away.