How to use the azure-cognitiveservices-language-textanalytics.azure.cognitiveservices.language.textanalytics.text_analytics_api.TextAnalyticsAPIConfiguration function in azure-cognitiveservices-language-textanalytics

def __init__(
            self, azure_region, credentials):

        self.config = TextAnalyticsAPIConfiguration(azure_region, credentials)
        self._client = ServiceClient(self.config.credentials, self.config)

        client_models = {k: v for k, v in models.__dict__.items() if isinstance(v, type)}
        self.api_version = 'v2.0'
        self._serialize = Serializer(client_models)
        self._deserialize = Deserializer(client_models)

def __init__(
            self, azure_region, credentials):

        if azure_region is None:
            raise ValueError("Parameter 'azure_region' must not be None.")
        if credentials is None:
            raise ValueError("Parameter 'credentials' must not be None.")
        base_url = 'https://{AzureRegion}.api.cognitive.microsoft.com/text/analytics'

        super(TextAnalyticsAPIConfiguration, self).__init__(base_url)

        self.add_user_agent('azure-cognitiveservices-language-textanalytics/{}'.format(VERSION))

        self.azure_region = azure_region
        self.credentials = credentials