class_docstr: Helper class for compiling pytorch module to tvm module
code: def _export_tvm(self, export_dir):
      if not os.path.isdir(export_dir):
          os.makedirs(export_dir)
      self.export_dir = export_dir
      self.tvm_lib.export_library(
          os.path.join(export_dir, TVM_ASSETS[0])
      )
      with open(
          os.path.join(export_dir, TVM_ASSETS[1]), "w", encoding="utf8"
      ) as fout:
          fout.write(self.tvm_graph)
      with open(os.path.join(export_dir, TVM_ASSETS[2]), "wb") as fout:
          fout.write(relay.save_param_dict(self.tvm_params))
  
imports: import os
  import warnings
  import tvm
  import tvm.testing
  from tvm import relay, autotvm
  from tvm.runtime import load_module
  from tvm.autotvm.tuner import XGBTuner, GATuner, RandomTuner, GridSearchTuner
  from tvm.contrib import graph_executor
  from tvm.contrib.debugger import debug_executor
  from .None import GraphModule
label_desc: Use image node_id 6 for calling the PyTorchTVMModule obj's underlying member method code with example usage: obj._export_tvm(export_dir) without return types