set default thumbnail on initialization of ThumbnailWidget

openpype/tools/libraryloader/app.py

@@ -188,9 +188,6 @@ class LibraryLoaderWindow(QtWidgets.QDialog):
         self._message_label = message_label
         self._message_timer = message_timer
 
-        # Set default thumbnail on start
-        thumbnail_widget.set_thumbnail(None)
-
     def showEvent(self, event):
         super(LibraryLoaderWindow, self).showEvent(event)
         if self._first_show:

openpype/tools/loader/widgets.py

@@ -745,6 +745,7 @@ class ThumbnailWidget(QtWidgets.QLabel):
             "default_thumbnail.png"
         )
         self.default_pix = QtGui.QPixmap(default_pix_path)
+        self.set_pixmap()
 
     def height(self):
         width = self.width()