class_docstr: Unit tests for the Azure Openai LLM class
code: def test_proxy(self):
      proxy = "http://proxy.mycompany.com:8080"
      client = AzureOpenAI(
          api_token="test",
          azure_endpoint="test",
          api_version="test",
          deployment_name="test",
          openai_proxy=proxy,
      )
      assert client.openai_proxy == proxy
      assert openai.proxy["http"] == proxy
      assert openai.proxy["https"] == proxy
  
file_path: pandas-ai/tests/llms/test_azure_openai.py
imports: import openai
  import pytest
  from pandasai.exceptions import APIKeyNotFoundError, MissingModelError
  from pandasai.llm import AzureOpenAI
label_desc: Use image node_id 6 for calling the TestAzureOpenAILLM obj's underlying member method code with example usage: obj.test_proxy() without return types