diff --git a/README.md b/README.md
index 6adc108..08e0e83 100644
--- a/README.md
+++ b/README.md
@@ -88,11 +88,11 @@ The model name in string, defaults to 'gpt-3.5-turbo'. Supported model names:
 - gpt-3.5-turbo-0613
 - gpt-3.5-turbo-16k-0613
 
-***api_type***: *str=None*
+***api_type***: *str='azure'*
 
 The OpenAI API type in string, defaults to None.
 
-***api_version***: *str=None*
+***api_version***: *str='2023-07-01-preview'*
 
 The OpenAI API version in string, defaults to None.
 
diff --git a/__init__.py b/__init__.py
index b30e137..bd30eef 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,5 +1,5 @@
 from .azure_openai_chat import AzureOpenaiChat
 
 
-def AzureOpenAI(*args, **kwargs):
+def Azure_OpenAI(*args, **kwargs):
     return AzureOpenaiChat(*args, **kwargs)
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..f4f84ce
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+openai
+plotly