code: def support_enumeration_gen(g):
      
      try:
          N = g.N
      except:
          raise TypeError('input must be a 2-player NormalFormGame')
      if N != 2:
          raise NotImplementedError('Implemented only for 2-player games')
      return _support_enumeration_gen(g.payoff_arrays)
docs: Generator version of `support_enumeration`.
  
      Parameters
      ----------
      g : NormalFormGame
          NormalFormGame instance with 2 players.
  
      Yields
      -------
      tuple(ndarray(float, ndim=1))
          Tuple of Nash equilibrium mixed actions.