diff -r 0835ed67714b -r 2f0d208b8137 eric6/DocumentationTools/IndexGenerator.py --- a/eric6/DocumentationTools/IndexGenerator.py Sat Nov 21 19:31:16 2020 +0100 +++ b/eric6/DocumentationTools/IndexGenerator.py Sun Nov 22 16:04:59 2020 +0100 @@ -207,7 +207,7 @@ if basename: package = package.replace(basename, "") out = self.__writeIndex(package, element, newline) - except IOError as v: + except OSError as v: sys.stderr.write("{0} error: {1}\n".format(package, v[1])) else: if out: