Lee-W commented on issue #42495:
URL: https://github.com/apache/airflow/issues/42495#issuecomment-3401125996
```python
from __future__ import annotations
from datetime import datetime
from typing import TYPE_CHECKING
from airflow.sdk import DAG, Asset, AssetAlias
from airflow.sdk.bases.operator import BaseOperator
if TYPE_CHECKING:
from airflow.utils.context import Context
ALIAS_NAME = "some-alias"
class CustomOperator(BaseOperator):
def __init__(self, *args, **kwargs):
kwargs["outlets"] = [AssetAlias(name=ALIAS_NAME)]
super().__init__(*args, **kwargs)
def execute(self, context: Context):
new_outlets = [Asset("something")]
for outlet in new_outlets:
context["outlet_events"][AssetAlias(name=ALIAS_NAME)].add(outlet)
with DAG("dataset_alias_dag", start_date=datetime(2023, 4, 20)) as dag:
do_something = CustomOperator(task_id="do_something")
do_something
```
Update the code with the airflow 3 usage and test it with the latest main
`69dfea43bf98a318628fae921fd7e92d73b06c77`, we no longer encounter the same
error
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