text: from all.nn import RLNetwork
  from .approximation import Approximation
  
  class VNetwork(Approximation):
      def __init__(
              self,
              model,
              optimizer,
              name='v',
              **kwargs
      ):
          model = VModule(model)
          super().__init__(
              model,
              optimizer,
              name=name,
              **kwargs
          )
  
  class VModule(RLNetwork):
      def forward(self, states):
          return super().forward(states).squeeze(-1)
  