[Bug]: Could not set up Azure Async client when azure client already exists.

[bipulsimkhada-cr]

What happened?

There already exists azure client and when i make acompletion call, I am getting "Azure client is not an instance of AsyncAzureOpenAI". This acompletion call is pulling AzureOpenAI client from cache. Not able to create AsyncAzureOpenAI.

self.get_azure_openai_client is passing _is_async=True while get_openai_client_cache_key expects is_async.

Relevant log output

Are you a ML Ops Team?

No

What LiteLLM version are you on ?

1.67.0

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