Timeout when opening a DataImport in the Django admin

Sentry Issue: ARKINDEX-BACKEND-5X

KeyError: 'revision'
  File "django/db/models/fields/related_descriptors.py", line 173, in __get__
    rel_obj = self.field.get_cached_value(instance)
  File "django/db/models/fields/mixins.py", line 15, in get_cached_value
    return instance._state.fields_cache[cache_name]

SystemExit: 1
(89 additional frame(s) were not displayed)
...
  File "django/db/backends/utils.py", line 66, in execute
    return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
  File "django/db/backends/utils.py", line 75, in _execute_with_wrappers
    return executor(sql, params, many, context)
  File "django/db/backends/utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
  File "encodings/utf_8.py", line 15, in decode
    def decode(input, errors='strict'):
  File "gunicorn/workers/base.py", line 201, in handle_abort
    sys.exit(1)