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How can I resolve the 403 Forbidden error when deploying a fine-tuned GPT model in Azure via Python?

I follow Azure's [tutorial](https://learn.microsoft.com/en-us/azure/ai-services/openai/tutorials/fine-tune?tabs=python-new%2Ccommand-line) on fine-tuning GPT. I'm stuck at the deployment phase.

Code:

```
# Deploy fine-tuned model

import json
import requests

token = '[redacted]'
subscription = '[redacted]'
resource_group = "[redacted]"
resource_name = "[redacted]"
model_deployment_name = "gpt-4o-mini-2024-07-18-ft" # Custom deployment name you chose for your fine-tuning model

deploy_params = {'api-version': "2023-05-01"}
deploy_headers = {'Authorization': 'Bearer {}'.format(token), 'Content-Type': 'application/json'}

deploy_data = {
    "sku": {"name": "standard", "capacity": 1},
    "properties": {
        "model": {
            "format": "OpenAI",
            "name": "gpt-4o-mini-2024-07-18.ft-[redacted]", #retrieve this value from the previous call, it will look like gpt-4o-mini-2024-07-18.ft-[redacted]
            "version": "1"
        }
    }
}
deploy_data = json.dumps(deploy_data)

request_url = f'https://management.azure.com/subscriptions/{subscription}/resourceGroups/{resource_group}/providers/Microsoft.CognitiveServices/accounts/{resource_name}/deployments/{model_deployment_name}'

print('Creating a new deployment...')

r = requests.put(request_url, params=deploy_params, headers=deploy_headers, data=deploy_data)

print(r)
print(r.reason)
print(r.json())
```

> Creating a new deployment...
<Response [403]>
Forbidden
{'error': {'code': 'AuthorizationFailed', 'message': "The client '[redacted email]' with object id '[redacted]' does not have authorization to perform action 'Microsoft.CognitiveServices/accounts/deployments/write' over scope '/subscriptions/[redacted]/resourceGroups/[redacted]/providers/Microsoft.CognitiveServices/accounts/[redacted]/deployments/gpt-4o-mini-2024-07-18-ft' or the scope is invalid. If access was recently granted, please refresh your credentials."}}

I was able to [deploy](https://i.sstatic.net/HHN6ejOy.png) the model via Azure web UI.  Why is the Python code returning `<Response [403]> Forbidden`?

-----

- The subscription looks correct since I get an `InvalidSubscriptionId` if I add a typo in it.