fix pyregion writer - I think this is a 2-to-3 failure?  I was getting issues like: TypeError: unsupported operand type(s) for >>: 'builtin_function_or_method' and '_io.TextIOWrapper'
fix pyregion writer - I think this is a 2-to-3 failure?  I was getting
issues like:
TypeError: unsupported operand type(s) for >>:
'builtin_function_or_method' and '_io.TextIOWrapper'

keflavich/pyregion,keflavich/pyregion