code: def test_standard_validity():
      """Check the operation using the assert_valid function."""
  
      weights = np.array([0, 1], dtype=float)
  
      op = qml.ArbitraryStatePreparation(weights, wires=[0])
  
      qml.ops.functions.assert_valid(op)
  
imports: import pytest
  import numpy
  import pennylane
  from pennylane import numpy
  from pennylane.templates.state_preparations.arbitrary_state_preparation import _state_preparation_pauli_words
label_desc: Use image node_id 1 for calling a global function with example usage: test_standard_validity() without return types