rhui-manager 'display repo sync summary' is not displayed.

Issue

rhui-manager 'display repo sync summary' is not displayed.

 ------------------------------------------------------------------------------
              -= Red Hat Update Infrastructure Management Tool =-


 -= Synchronization Status =-

    dr  display repo sync summary
    vr  view the details of the last repository sync
    sr  sync an individual repository immediately

                                    Connected: km01abs3rha0001.abs3.absonne.com
 ------------------------------------------------------------------------------
 rhui (sync) => dr

 An unexpected error has occurred during the last operation.
 More information can be found in /root/.rhui/rhui.log.

/root/.rhui/rhui.log.
<snip>
2021-10-05 14:04:43,251 - Loading the dict with registered subscriptions
2021-10-05 14:07:28,706 - <type 'exceptions.KeyError'>
2021-10-05 14:07:28,706 - Unexpected error caught at the shell level
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/rhui/tools/shell.py", line 92, in safe_listen
    self.listen(clear=first_run)
  File "/usr/lib/python2.7/site-packages/rhui/tools/shell.py", line 131, in listen
    Shell.listen(self)
  File "/usr/lib/python2.7/site-packages/rhui/common/shell.py", line 186, in listen
    item.func(*args, **item.kwargs)
  File "/usr/lib/python2.7/site-packages/rhui/tools/screens/sync.py", line 83, in repo_display
    self.pulp.repos_with_sync_status, False)
  File "/usr/lib/python2.7/site-packages/rhui/tools/screens/sync.py", line 227, in _sync_display
    data_sets = retrieve_func()
  File "/usr/lib/python2.7/site-packages/rhui/tools/pulp_api.py", line 378, in repos_with_sync_status
    next_sync_date, progress = _next_scheduled_sync_and_progress(sync_list)
  File "/usr/lib/python2.7/site-packages/rhui/tools/pulp_api.py", line 1157, in _next_scheduled_sync_and_progress
    if task['state']