class_docstr: Store models on Azure.
class_docstr_tok: ["Store","models","on","Azure","."]
docstr: Downloads a model that has previously been persisted to Azure.
docstr_tok: ["Downloads","a","model","that","has","previously","been","persisted","to","Azure","."]
code: def _retrieve_tar(self, target_filename: Text) -> None:
      """Downloads a model that has previously been persisted to Azure."""
      blob_client = self._container_client().get_blob_client(
          target_filename
      )
  
      with open(target_filename, "wb") as blob:
          download_stream = blob_client.download_blob()
          blob.write(download_stream.readall())
  
imports: import abc
  import logging
  import os
  import shutil
  from typing import Optional, Text, Tuple, TYPE_CHECKING
  import rasa.shared.utils.common
  import rasa.utils.common
label_desc: Use image node_id 5 for calling the AzurePersistor obj's underlying member method code with example usage: obj._retrieve_tar(target_filename) without return types