message: Remove conditional scope logic now that "current_arg_scope" exists in contrib
diff: @@ -504,11 +504,7 @@ def _recompute_grad(fn, args, use_data_dep=_USE_DEFAULT, tupleize_grads=False):
  @_fn_with_custom_grad(grad_fn)
  def fn_with_recompute(*args):
  cached_vs.append(variable_scope.get_variable_scope())
  - # TODO(rsepassi): Rm conditional in TF 1.4
  - if hasattr(contrib_framework_ops, "current_arg_scope"):
  cached_arg_scope.append(contrib_framework_ops.current_arg_scope())
  - else:
  - cached_arg_scope.append({})
  return fn(*args)
  return fn_with_recompute(*args)
  