Fix occasional crash due to working with the UI from a background thread.

1Weather/UI/View controllers/Today/TodayViewController.swift

@@ -8,6 +8,7 @@
 import UIKit
 import UIKit
 import CoreLocation
 import CoreLocation
 import OneWeatherAnalytics
 import OneWeatherAnalytics
+import OneWeatherCore
 
 
 class TodayViewController: UIViewController {
 class TodayViewController: UIViewController {
     //Private
     //Private
@@ -63,8 +64,10 @@ class TodayViewController: UIViewController {
     override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
     override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
         super.viewWillTransition(to: size, with: coordinator)
         super.viewWillTransition(to: size, with: coordinator)
         
         
-        coordinator.animate { _ in
-            self.tableView.reloadData()
+        onMain {
+            coordinator.animate { _ in
+                self.tableView.reloadData()
+            }
         }
         }
     }
     }
         
         
@@ -82,7 +85,10 @@ private extension TodayViewController {
         view.backgroundColor = ThemeManager.currentTheme.baseBackgroundColor
         view.backgroundColor = ThemeManager.currentTheme.baseBackgroundColor
         
         
         localizationObserver = NotificationCenter.default.addObserver(forName: .localizationChange, object: nil, queue: .main, using: { [weak self] _ in
         localizationObserver = NotificationCenter.default.addObserver(forName: .localizationChange, object: nil, queue: .main, using: { [weak self] _ in
-            self?.tableView.reloadData()
+            onMain {
+                self?.tableView.reloadData()
+            }
+            
         })
         })
     }
     }
         
         
@@ -176,10 +182,12 @@ extension TodayViewController: TodayViewModelDelegate {
     }
     }
     
     
     func viewModelDidChange<P>(model: P) where P : ViewModelProtocol {
     func viewModelDidChange<P>(model: P) where P : ViewModelProtocol {
-        cityButton.configure(with: viewModel.location)
-        cityButton.isHidden = false
-        tableView.isHidden = false
-        tableView.reloadData()
+        onMain {
+            self.cityButton.configure(with: self.viewModel.location)
+            self.cityButton.isHidden = false
+            self.tableView.isHidden = false
+            self.tableView.reloadData()
+        }
     }
     }
 }
 }