Force boolean for flags

Author: vietanhdev

anylabeling/views/labeling/widgets/label_dialog.py

@@ -190,7 +190,7 @@ def set_flags(self, flags):
         self.delete_flags()
         for key in flags:
             item = QtWidgets.QCheckBox(key, self)
-            item.setChecked(flags[key])
+            item.setChecked(bool(flags[key]))
             self.flags_layout.addWidget(item)
             item.show()