code: def _update_limits_from_api(self):
          
          region_limits = {
              'us-east-1': 70
          }
          self.connect()
          rname = self.conn._client_config.region_name
          if rname in region_limits:
              self.limits['File systems'].default_limit = region_limits[rname]
              logger.debug(
                  'Running in region %s; setting EFS "File systems" default '
                  'limit value to: %d', rname, region_limits[rname]
              )
docs: Call :py:meth:`~.connect` and then check what region we're running in;
          adjust default limits as required for regions that differ (us-east-1).