code: def relay_conv2d():
      """
      Simple conv2d Relay implementation.
      """
      dtype = "float32"
  
      x = relay.var("x", shape=(1, 4, 2, 2), dtype=dtype)
      weight = relay.const(
          np.random.uniform(size=(2, 4, 2, 2)), dtype=dtype
      )
      x = relay.nn.conv2d(x, weight)
      func = relay.Function(relay.analysis.free_vars(x), x)
      return tvm.IRModule.from_expr(func)
  
imports: import os
  import pytest
  import tarfile
  import textwrap
  import numpy
  from PIL import Image
  import tvm
  from tvm import relay
  from tvm.driver import tvmc
  from tvm.contrib.download import download_testdata
label_desc: Use image node_id 17 for calling a global function with example usage: relay_conv2d() and returns: tvm