def _opcode_set(*names):
    s = set()
    for name in names:
        try:
            s.add(_opcode(name))
        except KeyError:
            pass
    return s

# Opcodes that leave the code object.
We want to return a simple count of available positions (not already followed) for a particular candidate's campaign
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/coverage/parser.py/_opcode_set--crossover with--dataset/ETHPy150Open wevoteeducation/WeVoteBase/position/views.py/positions_count_for_candidate_campaign_any_view