code: def forward(self, x, gamma, beta):
      gamma = gamma.unsqueeze(-1).unsqueeze(-1)
      beta = beta.unsqueeze(-1).unsqueeze(-1)
      res = (gamma) * self.res(x) + beta
      return x + res
  
imports: from collections import OrderedDict
  import numpy
  import paddle.nn
label_desc: Use image node_id 2 for calling the QFAttention obj's underlying member method code with example usage: obj.forward(x, gamma, beta) and returns: unknown