Scalding error: value toTypedPipe is not a member of cascading.pipe.Pipe

If you are running a scalding code and hit this error

[root@node code-scalding]# /root/scalding/scripts/scald.rb linecount.scala --input /mapr/my.cluster.com/wordcount/in/url+page.200.txt --output /mapr/my.cluster.com/wordcount/out/scal1
rsyncing 19.0M from scalding-core-assembly-0.13.0-SNAPSHOT.jar to my.host.here in background...
compiling linecount.scala
scalac -classpath /tmp/scald.rb/scala_home/2.10.4/scala-library-2.10.4.jar:/tmp/scald.rb/scala_home/2.10.4/scala-reflect-2.10.4.jar:/tmp/scald.rb/scala_home/2.10.4/scala-compiler-2.10.4.jar:/root/scalding/scalding-core/target/scala-2.10/scalding-core-assembly-0.13.0-SNAPSHOT.jar:/tmp/maven/hadoop-core-1.1.2.jar:/tmp/maven/commons-codec-1.8.jar:/tmp/maven/commons-configuration-1.9.jar:/tmp/maven/jackson-asl-0.9.5.jar:/tmp/maven/jackson-mapper-asl-1.9.13.jar:/tmp/maven/commons-lang-2.6.jar:/tmp/maven/slf4j-log4j12-1.6.6.jar:/tmp/maven/log4j-1.2.15.jar:/tmp/maven/commons-httpclient-3.1.jar:/tmp/maven/commons-cli-1.2.jar:/tmp/maven/commons-logging-1.1.1.jar:/tmp/maven/zookeeper-3.3.4.jar -d /tmp/script-build linecount.scala
linecount.scala:6: error: value toTypedPipe is not a member of cascading.pipe.Pipe
 def matricesFromJson = TextLine(args("input")).read.toTypedPipe[String]('line).groupAll.size.values.jsonOutput
                                                     ^
one error found
[SUGGESTION]: Try scald.rb --clean, you may have corrupt jars lying around
[root@node code-scalding]#


Fix:
Add this import to the code.

import TDsl._