def create_release_branch(version, base_branch):
    try:
        base_branch.checkout(b='release/flocker-' + version)
    except GitCommandError:
        raise BranchExists()
:py:obj:`Context.use_certificate` sets the certificate which will be
dataset/ETHPy150Open ClusterHQ/flocker/admin/release.py/create_release_branch--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/pyopenssl/OpenSSL/test/test_ssl.py/ContextTests.test_use_certificate