How to unpack the values of an item in a RDD so I can create a RDD with multiple items?

[Abhishek Shivkumar]

Hi,

    I have a RDD of many items.

Each item has a key and its value is a list of elements.

I want to unpack the elements of the item so that I can create a new RDD
with each of its item being the original key and one single element.

I tried doing RDD.flatmap(lambda line: [ (line[0], v) for v in line[1]])

but it throws an error saying "AttributeError: 'PipelinedRDD' object has no
attribute 'flatmap"

Can someone tell me the right way to unpack the values to different items
in the new RDD?

Thank you!

With Regards,
Abhishek S