code: def forward(self, x, **kwargs):
      out = self.conv1(x)
      out = self.relu1(self.bn1(out))
      out = self.conv2(out)
      return {"maps": out}
  
imports: from paddle import nn
label_desc: Use image node_id 2 for calling the PSEHead obj's underlying member method code with example usage: obj.forward(x) and returns: dict