code: def test_pseudo_sequence():
      # Test small valid pseudo sequence
      seq = [1000, 3, 3, 3, 3, 2, 2, 2, 1, 1]
      assert nx.is_pseudographical(seq)
      # Test for sequence with odd sum
      seq = [1000, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1]
      assert not nx.is_pseudographical(seq)
      # Test for negative integer in sequence
      seq = [1000, 3, 3, 3, 3, 2, 2, -2, 1, 1]
      assert not nx.is_pseudographical(seq)
      # Test for noninteger
      seq = [1, 1, 1.1, 1]
      assert not nx.is_pseudographical(seq)
      seq = [1, 1, "rer", 1]
      assert not nx.is_pseudographical(seq)
  
file_path: networkx/networkx/algorithms/tests/test_graphical.py
imports: import pytest
  import networkx
label_desc: Use image node_id 11 for calling a global function with example usage: test_pseudo_sequence() without return types