code: def download(self, storagemodel:object, modeldefinition = None):
          
  
          if (storagemodel.name is None):
              # No content to download
              raise AzureStorageWrapException(storagemodel, "StorageBlobModel does not contain content nor content settings")
  
          else:
              container_name = modeldefinition['container']
              blob_name = storagemodel.name
              try:
                  if modeldefinition['blobservice'].exists(container_name, blob_name):
                      """ download blob """
                      blob = modeldefinition['blobservice'].get_blob_to_bytes(
                              container_name=modeldefinition['container'], 
                              blob_name=storagemodel.name
                          )
  
                      storagemodel.__mergeblob__(blob)
                   
              except Exception as e:
                  msg = 'can not load blob from container {} because {!s}'.format(storagemodel._containername, e)
                  raise AzureStorageWrapException(storagemodel, msg=msg)
             
          return storagemodel
docs: load blob from storage into StorageBlobModelInstance