tableview glitch when swiping up

[ryandailey100]

When there is a small count of cells in the tableview (enough to not fill the tableview on the screen), and you try to swipe up, the tableview starts to do a glitchy animation. I can also confirm that this happens in the demo project that you have provided when I lower the count of the array of feed contents.

Here is an example of how to make this glitch will occur (notice how in this case, there are only 3 cell)