formatted (via yapf --style=google) (#392)
formatted (via yapf --style=google) (#392)

Co-authored-by: Bryan A. O'Gorman <899fb34d7dcfcbab5d70699c6e0db330e265a7f8@gmail.com>
quantumlib/OpenFermion-Cirq,quantumlib/OpenFermion-Cirq