code: def forward(self, x):
      invalidOperationError(
          False,
          "Bigdl-llm does not support inference awq models directly.",
      )
  
file_path: BigDL/python/llm/src/bigdl/llm/transformers/awq/linear.py
imports: import torch
  import torch.nn
  from bigdl.llm.utils.common import invalidOperationError, invalidInputError
  from transformers import AwqConfig
  from transformers.utils.quantization_config import AwqBackendPackingMethod
label_desc: Use image node_id 3 for calling the WQLinear_GEMM obj's underlying member method code with example usage: obj.forward(x) without return types