rustikk opened a new issue #20736:
URL: https://github.com/apache/airflow/issues/20736
### Apache Airflow version
2.2.3 (latest released)
### What happened
When triggering a dag with the JSON config with the params value set to a
dictionary with type="object" the default value is not displaying. The schema
validation is still working, if you pass a value that isn't a dictionary an
error will display in the UI.
### What you expected to happen
I expected the default value to show in the JSON config.
### How to reproduce
```
from datetime import datetime, timedelta
from airflow import DAG
from airflow.models.param import Param
from airflow.operators.python import PythonOperator
# unpausing causes this dag to run once, because there's only been
# one complete interval of 30 years since the epoch.
thirty_years = 1577862000 # seconds
with DAG(
"params_dictionaries",
start_date=datetime(1970, 1, 1),
schedule_interval=timedelta(seconds=thirty_years),
catchup=True,
params={"x": Param({"a": {3, 4, 5}, "b": {1, 2, 3}}, type="object")},
render_template_as_native_obj=True,
),
) as dag:
def fail_if_invalid(val):
print(val)
# assert type(val) == dict
PythonOperator(
task_id="ref_param",
python_callable=fail_if_invalid,
op_args=["{{ params['x'] }}"]
)
```
### Operating System
Docker (debian:buster)
### Versions of Apache Airflow Providers
2.2.3, 2.2.2, 2.2.1 gives an import error
### Deployment
Astronomer
### Deployment details
FROM quay.io/astronomer/ap-airflow-dev:2.2.3-onbuild
#FROM quay.io/astronomer/ap-airflow:2.2.2-buster-onbuild
#FROM quay.io/astronomer/ap-airflow-dev:2.2.1-buster-onbuild
### Anything else
Problem occurs everytime.
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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