def detect_openssl(prefixes):
    for prefix in prefixes:
        filename = os.path.join(prefix, 'include', 'openssl', 'evp.h')
        if os.path.exists(filename):
            with open(filename, 'r') as fd:
                if fd.read() in 'PKCS5_PBKDF2_HMAC(':
                    return prefix
dataset/ETHPy150Open borgbackup/borg/setup.py/detect_openssl/swapped operands of `in`