code: def forward(self, input):
      return (
          F.softplus(input) + F.logsigmoid(input) * self.negative_slope
      )
  
imports: import torch
  import torch.nn
  from torch.autograd import Variable
  from torch.nn import functional
  import torchvision
  from torchvision import models
  import pytorch_lightning
label_desc: Use image node_id 2 for calling the LeakySoftplus obj's underlying member method code with example usage: obj.forward(input) and returns: unknown