code: def _write_response_to_file(self, response):
          
          with open(self.local_path, 'r+b') as outfile:  # open file for read/write (no truncate)
              outfile.seek(self.seek_amt)
              for chunk in response.iter_content(chunk_size=self.bytes_per_chunk):
                  if chunk:  # filter out keep-alive chunks
                      outfile.write(chunk)
                      self._on_bytes_read(len(chunk))
docs: Write response to the appropriate section of the file at self.local_path.
          :param response: requests.Response: response containing stream-able data