code: def getWorkerQte(hosts):
      
      if "SLURM_NTASKS" in os.environ:
          return int(os.environ["SLURM_NTASKS"])
      elif "PBS_NP" in os.environ:
          return int(os.environ["PBS_NP"])
      elif "NSLOTS" in os.environ:
          return int(os.environ["NSLOTS"])
      else:
          return sum(host[1] for host in hosts)
docs: Return the number of workers to launch depending on the environment