[BUG] data.py /data/delete endpoint is throwing error message

[daperez80]

Describe the bug
Team is testing GraphRag Data Management API. We are able to list and upload containers but the delete operation fails

To Reproduce
Steps to reproduce the behavior:

1. Start backend server
2. Go to localhost:port#/manpages/docs
3. trigger the /data/delete/{storage_name}
4. See error

Expected behavior
Sucessfully delete the container both on cosmos and storage account.

Screenshots
If applicable, add screenshots to help explain your problem. -- see attached

Desktop (please complete the following information):

• OS: Mac - Sonoma
• Version 14.6.1

Additional context
GraphRag API is deployed to kubernetes as pod. We are running it via service / port forward to local host. Delete operations fail at File "/backend/src/api/data.py", line 208, in delete_files
container_store_client.delete_item(

@data_route.delete(
"/{storage_name}",
summary="Delete a data storage container",
response_model=BaseResponse,
responses={200: {"model": BaseResponse}},
)
async def delete_files(storage_name: str):
"""
Delete a specified data storage container.
"""
sanitized_storage_name = sanitize_name(storage_name)
try:
# delete container in Azure Storage
delete_blob_container(sanitized_storage_name)
# update container-store in cosmosDB
container_store_client = (
azure_storage_client_manager.get_cosmos_container_client(
database_name="graphrag", container_name="container-store"
)
)
container_store_client.delete_item(
item=sanitized_storage_name,
partition_key=sanitized_storage_name

    )
except Exception:
    reporter = ReporterSingleton().get_instance()
    reporter.on_error(
        f"Error deleting container {storage_name}.",
        details={"Container": storage_name},
    )
    raise HTTPException(
        status_code=500, detail=f"Error deleting container '{storage_name}'."
    )
return BaseResponse(status="Success")