--- a/RefactoringRope/RefactoringServer.py	Sat Nov 21 16:41:12 2020 +0100
+++ b/RefactoringRope/RefactoringServer.py	Sun Nov 22 16:25:22 2020 +0100
@@ -1882,7 +1882,7 @@
                         f.write(src)
                     self.__configChanged()
                     self.__editConfig()
-                except IOError as err:
+                except OSError as err:
                     E5MessageBox.critical(
                         None,
                         self.tr("Update Configuration"),