Bypass the given subgraph by connecting its inputs to its outputs.
sgv: the subgraph view to be bypassed. This argument is converted to a subgraph using the same rules than the function subgraph.make_view. Note that sgv is modified in place.
(sgv, detached_inputs) where:
sgv is a new subgraph view of the bypassed subgraph;
detached_inputs is a list of the created input placeholders.
StandardError: if sgv cannot be converted to a SubGraphView using the same rules than the function subgraph.make_view.