Shinegrin Huon

In programming, the method `get_or_none` is nessary, which return None when no record match but raise Model.DoesNotExist.

```python await objects.execute(TableName.insert( xxx ).on_conflict( conflict_target=[xxx], preserve=[xxx], update={xxx}, where=(xxx) )) ``` if it trigger conflict and miss where caluse, it will do nothing, and will raise Exception at peewee_async.py line...

When I run "python -m src.data_preparation.stanford_ds_to_tfrecords", it works at first, then about an hour later, it crashed. And it says "Segmentation fault(core dumped)". Could you help me? By the way,...