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android.view.ViewRootImpl$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.	at android.view.ViewRootImpl.checkThread(ViewRootImpl.java:6603)	at android.view.ViewRootImpl.invalidateChildInParent(ViewRootImpl.java:954)	at android.view.ViewGroup.invalidateChild(ViewGroup.java:5084)	at android.view.View.invalidateInternal(View.java:12716)	at android.view.View.invalidate(View.java:12680)	at android.view.View.invalidate(View.java:12664)	at app.mapillary.android.feed.HomeFragment.displayRecyclerView(HomeFragment.java:93)	at app.mapillary.android.feed.HomeFragment.onException(HomeFragment.java:135)	at app.mapillary.android.rest.HttpGetTask.onException(HttpGetTask.java:153)	at app.mapillary.android.rest.HttpGetTask.doInBackground(HttpGetTask.java:76)	at app.mapillary.android.rest.HttpGetTask.doInBackground(HttpGetTask.java:21)	at android.os.AsyncTask$2.call(AsyncTask.java:295)	at java.util.concurrent.FutureTask.run(FutureTask.java:237)	at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)	at java.lang.Thread.run(Thread.java:818)