Scroll from a point to another point iOS

Hi everybody,

I started to use Appium 2 weeks ago on my iOS app and I don’t succeed in scrolling from a point of the screen to another point.
I don’t want to use scroll(el1, el2) because I don’t use a UITableView, I have a UITextView and a UIPageView.

I code my test in Python, to scroll to the bottom of the view, I tried :
action = TouchAction(self.driver) 160, y=500).move_to(x=160, y=50).release().perform()

Unfortunately, it doesn’t work … Could anybody help me plz ?

Thank you,