How to use the azure-mgmt-servermanager.azure.mgmt.servermanager.models.ErrorException function in azure-mgmt-servermanager

# Construct headers
        header_parameters = {}
        header_parameters['Content-Type'] = 'application/json; charset=utf-8'
        if self.config.generate_client_request_id:
            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
        if custom_headers:
            header_parameters.update(custom_headers)
        if self.config.accept_language is not None:
            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

        # Construct and send request
        request = self._client.delete(url, query_parameters)
        response = self._client.send(request, header_parameters, stream=False, **operation_config)

        if response.status_code not in [200, 204]:
            raise models.ErrorException(self._deserialize, response)

        if raw:
            client_raw_response = ClientRawResponse(None, response)
            return client_raw_response
    delete.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServerManagement/nodes/{nodeName}/sessions/{session}'}

# Construct headers
        header_parameters = {}
        header_parameters['Content-Type'] = 'application/json; charset=utf-8'
        if self.config.generate_client_request_id:
            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
        if custom_headers:
            header_parameters.update(custom_headers)
        if self.config.accept_language is not None:
            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

        # Construct and send request
        request = self._client.get(url, query_parameters)
        response = self._client.send(request, header_parameters, stream=False, **operation_config)

        if response.status_code not in [200]:
            raise models.ErrorException(self._deserialize, response)

        deserialized = None

        if response.status_code == 200:
            deserialized = self._deserialize('SessionResource', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized
    get.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServerManagement/nodes/{nodeName}/sessions/{session}'}