From 17fdaf6bd602ca0a99bca9e4d4c0be00d39e3079 Mon Sep 17 00:00:00 2001
From: miruka <miruka@disroot.org>
Date: Thu, 9 May 2019 16:11:15 -0400
Subject: [PATCH] ListModel.clear(): Do nothing if already no data

---
 harmonyqml/backend/model/list_model.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/harmonyqml/backend/model/list_model.py b/harmonyqml/backend/model/list_model.py
index 5d37e41c..53e6caed 100644
--- a/harmonyqml/backend/model/list_model.py
+++ b/harmonyqml/backend/model/list_model.py
@@ -357,6 +357,9 @@ class ListModel(QAbstractListModel):
 
     @pyqtSlot()
     def clear(self) -> None:
+        if not self._data:
+            return
+
         # Reimplemented for performance reasons (begin/endRemoveRows)
         self.beginRemoveRows(QModelIndex(), 0, len(self))
         self._data.clear()