Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/6234#discussion_r30534442
--- Diff: docs/programming-guide.md ---
@@ -821,9 +820,7 @@ by a key.
In Scala, these operations are automatically available on RDDs containing
[Tuple2](http://www.scala-lang.org/api/{{site.SCALA_VERSION}}/index.html#scala.Tuple2)
objects
-(the built-in tuples in the language, created by simply writing `(a, b)`),
as long as you
-import `org.apache.spark.SparkContext._` in your program to enable Spark's
implicit
-conversions. The key-value pair operations are available in the
+(the built-in tuples in the language, created by simply writing `(a, b)`).
The key-value pair operations are available in the
[PairRDDFunctions](api/scala/index.html#org.apache.spark.rdd.PairRDDFunctions)
class,
which automatically wraps around an RDD of tuples if you import the
conversions.
--- End diff --
`if you import the conversions` can be removed.
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