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Diffstat (limited to 'glucometerutils/drivers/otverio2015.py')
| -rw-r--r-- | glucometerutils/drivers/otverio2015.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/glucometerutils/drivers/otverio2015.py b/glucometerutils/drivers/otverio2015.py index 80de6ed..55ffbd2 100644 --- a/glucometerutils/drivers/otverio2015.py +++ b/glucometerutils/drivers/otverio2015.py @@ -99,6 +99,11 @@ def _convert_timestamp(timestamp): class Device(object): def __init__(self, device): + if not device: + raise exceptions.CommandLineError( + '--device parameter is required, should point to the disk device ' + 'representing the meter.') + self.device_name_ = device self.scsi_device_ = SCSIDevice(device, readwrite=True) self.scsi_ = SCSI(self.scsi_device_) |