From f0e2bb8db6846f2b6cc40854b978015a3ca2844d Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Thu, 31 Dec 2020 23:20:53 -0500
Subject: [PATCH] Fix crash while cancelling prefetching of rows

---
 .../Screens/Utilities/TimelineLikeTableViewController.swift | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Tusker/Screens/Utilities/TimelineLikeTableViewController.swift b/Tusker/Screens/Utilities/TimelineLikeTableViewController.swift
index e8a1489f..65f9c57b 100644
--- a/Tusker/Screens/Utilities/TimelineLikeTableViewController.swift
+++ b/Tusker/Screens/Utilities/TimelineLikeTableViewController.swift
@@ -134,11 +134,11 @@ class TimelineLikeTableViewController<Item>: EnhancedTableViewController, Refres
             }
             willRemoveRows(at: indexPathsToRemove)
             
-            sections.removeSubrange(sectionsToRemove)
-            
             UIView.performWithoutAnimation {
                 tableView.deleteSections(IndexSet(sectionsToRemove), with: .none)
             }
+            
+            sections.removeSubrange(sectionsToRemove)
         } else if lastVisibleRow.section == lastSectionIndex {
             let lastSection = sections.last!
             let lastRowIndex = lastSection.count - 1
@@ -146,7 +146,7 @@ class TimelineLikeTableViewController<Item>: EnhancedTableViewController, Refres
             if lastVisibleRow.row < lastRowIndex - pageSize {
                 // if there are more than pageSize rows in the current section below the last visible one
                 
-                let rowIndicesInLastSectionToRemove = (lastVisibleRow.row + 20)..<lastSection.count
+                let rowIndicesInLastSectionToRemove = (lastVisibleRow.row + pageSize)..<lastSection.count
                 
                 let indexPathsToRemove = rowIndicesInLastSectionToRemove.map {
                     IndexPath(row: $0, section: lastSectionIndex)