code: def processes(self, processes):
          '''Set the number of concurrent processes the ABC will utilize for
          fitness function evaluation; if <= 1, single process is used
  
          Args:
              processes (int): number of concurrent processes
          '''
  
          if self._processes > 1:
              self._pool.close()
              self._pool.join()
              self._pool = multiprocessing.Pool(processes)
          else:
              self._pool = None
          self._logger.log('debug', 'Number of processes set to {}'.format(
              processes
          )f processes(self, processes):
          '''Set the number of concurrent processes the ABC will utilize for
          fitness function evaluation; if <= 1, single process is used
  
          Args:
              processes (int): number of concurrent processes
          '''
  
          if self._processes > 1:
              self._pool.close()
              self._pool.join()
              self._pool = multiprocessing.Pool(processes)
          else:
              self._pool = None
          self._logger.log('debug', 'Number of processes set to {}'.format(
              processes
          ))
docs: Set the number of concurrent processes the ABC will utilize for
          fitness function evaluation; if <= 1, single process is used
  
          Args:
              processes (int): number of concurrent processes