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Hey guys, I’m trying to query some parquet files on gcs and ran into an auth issue. 

Code snippet
```import daft
from <http://daft.io|daft.io> import IOConfig, GCSConfig
import os

io_config = IOConfig(gcs=GCSConfig(credentials=os.getenv(“GOOGLE_APPLICATION_CREDENTIALS”))
df = daft.read_parquet(“<gs://bucket/prefix>”, io_config=io_config)```
Error
```DaftCoreException: DaftError::External Unable to load Credentials for store: gcs
Details:
UnsupportedAccountType(“external_account”)```
I was going to make an issue on the GitHub, but wanted to check here first. It looks like daft is just missing a supported credentials type

Looks like this is related to “Workload Identity Federation” <https://cloud.google.com/iam/docs/workload-identity-federation-with-other-clouds|https://cloud.google.com/iam/docs/workload-identity-federation-with-other-clouds>

Oof haven’t heard the term Workload Identity Federation in a while :stuck_out_tongue:

I’m sure this is just a weakness in the way we handle the GCP auth services. We’ll take a closer look