mypy

a4a5fd67 - [mypyc] Recognize 'six.moves.xrange' as an alias of 'range' (#9896)

[mypyc] Recognize 'six.moves.xrange' as an alias of 'range' (#9896) This stopped working because of typeshed changes in b884a394b4406b647317668a28538821ca08c056. This fixes a performance regression in the hexiom benchmark.