code: def test_graph_conv():
      out_channel = 10
      min_deg = (0,)
      max_deg = (10,)
      activation_fn = "relu"
  
      layer = dc.models.layers.GraphConv(
          out_channel=out_channel,
          min_deg=min_deg,
          max_deg=max_deg,
          activation_fn=activation_fn,
      )
      config = layer.get_config()
      layer_copied = dc.models.layers.GraphConv.from_config(config)
  
      assert layer_copied.out_channel == layer.out_channel
      assert layer_copied.activation_fn == layer.activation_fn
      assert layer_copied.max_degree == layer.max_degree
      assert layer_copied.min_degree == layer.min_degree
  
imports: import deepchem
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: test_graph_conv() without return types