don't try set filter if webview already deleted

https://anki.tenderapp.com/discussions/add-ons/32496-add-on-error
2019-04-21 19:12:04 +10:00 · 2019-04-21 19:12:04 +10:00 · eef86bf37e
commit eef86bf37e
parent 1fc480e8f4
1 changed files with 4 additions and 4 deletions
--- a/aqt/webview.py
+++ b/aqt/webview.py
@ -348,14 +348,14 @@ body {{ zoom: {}; background: {}; {} }}
        return False

    def _onBridgeCmd(self, cmd):
-        if not self._filterSet:
-            self.focusProxy().installEventFilter(self)
-            self._filterSet = True
-
        if self._shouldIgnoreWebEvent():
            print("ignored late bridge cmd", cmd)
            return

+        if not self._filterSet:
+            self.focusProxy().installEventFilter(self)
+            self._filterSet = True
+
        if cmd == "domDone":
            self._domDone = True
            self._maybeRunActions()