azure-keyvault/azure/keyvault/http_challenge.py
def get_authorization_server(self):
        """ Returns the URI for the authorization server if present, otherwise empty string. """
        value = ''
        for key in ['authorization_uri', 'authorization']:
            value = self.get_value(key) or ''
            if value:
                break
        return value
def get_authorization_server(self):
        """ Returns the URI for the authorization server if present, otherwise empty string. """
        value = ''
        for key in ['authorization_uri', 'authorization']:
            value = self.get_value(key) or ''
            if value:
                break
        return value
Returns the URI for the authorization server if present, otherwise empty string.