fixed bug where progress bar didn't update properly (#369)

* fixed bug where progress bar didn't update properly

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

brainglobe_atlasapi/utils.py

@@ -188,9 +188,7 @@ def retrieve_over_http(
  fout.write(chunk)
  adv = len(chunk)
  completed += adv
- progress.update(
- task_id, completed=min(completed, tot), refresh=True
- )
+ progress.update(task_id, completed=min(completed, tot))
 
  if fn_update:
  # update handler with completed and total bytes