Piquante peppers, anyone?

Last summer I studied abroad in South Africa for a few weeks.  They had an awesome pizza place down there with the most amazing sweet chilli chicken pizza ever.  When I got back to the States I tried to recreate it, but after going to several stores I realized they didn't have the right kind of pepper.  It's called a Piquante pepper, apparently it's also known as a Peppadew.  Anyways, I was wondering if anyone knows where I might be able to get my hands on some, whether it's seeds or a plant or even in a jar at a store I just haven't tried yet, I'm really craving those peppers!  It's not a hot pepper by any means, it's actually incredibly sweet, but I figured I'd ask around on here anyways.
 
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