Unable to catch sqlalchemy integrity errors.

Something is wrong with it. needs more investigation.
Basic code:
```python
try:
self.db.add_job(
args.name,
args.channel,
args.start,
args.duration,
args.upload,
args.convert_to,
args.tags,
)
except (IntegrityError):
if len(self.db.get_channels(name=args.channel)) == 0:
logger.critical(

```