Epic compile error from Scala

error.log

> compile
[info] Compiling 1 Scala source to /Users/pchiusano/Dropbox/projects/scalaz-stream/target/scala-2.11/classes...
[error] /Users/pchiusano/Dropbox/projects/scalaz-stream/src/main/scala/streams/Process1.scala:27: polymorphic expression cannot be instantiated to expected type;
[error]  found   : [F(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)[_], I2(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run) <: I]streams.Stream.Handle[F(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run),I] => streams.Pull[F(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run),O,streams.Stream.Handle[F(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run),I2(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)]]
[error]  required: streams.Stream.Handle[F(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run),I2(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)] => streams.Pull[F(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run),O,streams.Stream.Handle[F(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run),I2(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)(in method run)]]
[error]     def run[F[_],I2>:I] = h => Pull.loop[F,O,Stream.Handle[F,I2]] { p.run } (h)
[error]                                                                       ^