mfatemipour opened a new issue, #66345:
URL: https://github.com/apache/airflow/issues/66345
Hi, I am getting following exception that I think is related to this change
```python
Traceback (most recent call last):
File
"/home/airflow/.local/lib/python3.14/site-packages/airflow/sdk/bases/operator.py",
line 548, in apply_defaults
result = func(self, **kwargs, default_args=default_args)
File
"/home/airflow/.local/lib/python3.14/site-packages/airflow/providers/docker/operators/docker.py",
line 309, in __init__
mount.template_fields = ("Source", "Target", "Type")
^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'dict' object has no attribute 'template_fields' and no
__dict__ for setting new attributes
```
I was using a dict object for mounts like this
```python
write_to_dst_task = MyOperator(
...
mounts=[
{
"type": "volume",
"source": "{{ params.dst_volume }}",
"target": "/data/",
"read_only": False,
}
],
...
)
```
And I added `mounts` to template_fields of MyOperator, not after upgrading
to latest version it failed, event using docker.types.Mount instead of dict
didn't solve it
```python
write_to_dst_task = MyOperator(
...
mounts=[
types.Mount(
target="/data/",
source="{{ params.dst_volume }}",
type="volume",
read_only=False,
),
],
...
)
```
_Originally posted by @mfatemipour in
https://github.com/apache/airflow/issues/52451#issuecomment-4369589257_
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