code: def test_empty_numpy(self):
      with pytest.raises(nx.NetworkXException):
          nx.eigenvector_centrality_numpy(nx.Graph())
  
imports: import math
  import pytest
  import networkx
label_desc: Use image node_id 4 for calling the TestEigenvectorCentralityExceptions obj's underlying member method code with example usage: obj.test_empty_numpy() without return types