small fixes found while updating samples (Azure#17542)

Author: kristapratico

sdk/documenttranslation/azure-ai-documenttranslation/azure/ai/documenttranslation/_models.py

@@ -260,7 +260,7 @@ def __init__(
         **kwargs
     ):
         # type: (**Any) -> None
-        self.translated_document_url = kwargs['translated_document_url']
+        self.translated_document_url = kwargs.get('translated_document_url', None)
         self.created_on = kwargs['created_on']
         self.last_updated_on = kwargs['last_updated_on']
         self.status = kwargs['status']

sdk/documenttranslation/azure-ai-documenttranslation/azure/ai/documenttranslation/aio/_client_async.py

@@ -88,7 +88,6 @@ async def create_translation_job(self, inputs, **kwargs):
             # pylint: disable=protected-access
             inputs=DocumentTranslationInput._to_generated_list(inputs),
             cls=lambda pipeline_response, _, response_headers: response_headers,
-            polling=True,
             **kwargs
         )
 
@@ -159,7 +158,7 @@ def callback(raw_response):
                 **kwargs
             ),
         )
-        return poller.result()
+        return await poller.result()
 
     @distributed_trace
     def list_submitted_jobs(self, **kwargs):