code: def forward(self, x):
      self.model.init_hidden(x.shape[0], self.device)
      output = self.model(x.unsqueeze(1)).squeeze(0)
      return output
  
imports: import numpy
  from golem.utilities.requirements_notificator import warn_requirement
  from fedot.core.data.data import InputData
  from fedot.core.operations.evaluation.operation_implementations.implementation_interfaces import ModelImplementation
  from fedot.core.operations.operation_parameters import OperationParameters
  from fedot.core.repository.dataset_types import DataTypesEnum
label_desc: Use image node_id 4 for calling the CGRUImplementation obj's underlying member method code with example usage: obj.forward(x) and returns: output