blaklaybul opened a new issue, #42391:
URL: https://github.com/apache/airflow/issues/42391
### Apache Airflow Provider(s)
google
### Versions of Apache Airflow Providers
10.15.0
### Apache Airflow version
2.7.3
### Operating System
debian
### Deployment
Astronomer
### Deployment details
Using astro runtime 9.15.0
### What happened
The GCSToGCSOperator is throwing an error when trying to pass task output
into the `source_objects` field.
```
File
"/usr/local/lib/python3.11/site-packages/airflow/providers/google/cloud/transfers/gcs_to_gcs.py",
line 211, in __init__
if source_objects and any(WILDCARD in obj for obj in source_objects):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/airflow/models/xcom_arg.py",
line 268, in __iter__
raise TypeError("'XComArg' object is not iterable")
```
### What you think should happen instead
This operator should be able to handle xcom, and we have no issue using the
`GCSToBigQueryOperator` in the same way
### How to reproduce
```
@task
def return_files():
files = ['a','b','c','d']
return files
files = return_files()
extract_files = GCSToGCSOperator(
task_id="fetch_data",
source_bucket="source_bucket_name",
source_objects=files,
destination_bucket="dest_bucket_name",
destination_object="foo",
dag=dag,
)
files >> extract_files
```
### Anything else
_No response_
### 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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