@dry_guard
def call(command):
    return subprocess.call(command)
At least three header blocks can be sent: informational, headers,
dataset/ETHPy150Open olt/scriptine/scriptine/shell.py/call--crossover with--dataset/ETHPy150Open python-hyper/hyper-h2/test/test_informational_responses.py/TestSendingInformationalResponses.test_sending_multiple_header_blocks