code: def cmd_reload(self, force=False, workers_only=False, workers_chain=False):
          
          if workers_chain:
              return self.send_command(b'c')
  
          if workers_only:
              return self.send_command(b'R' if force else b'r')
  
          return self.send_command(b'R' if force else b'r')
docs: Reloads uWSGI master process, workers.
  
          :param bool force: Use forced (brutal) reload instead of a graceful one.
          :param bool workers_only: Reload only workers.
          :param bool workers_chain: Run chained workers reload (one after another,
              instead of destroying all of them in bulk).